Words ending with the suffix -LOGY
This list is expanded and updated regularly.
All words on this list are nouns.
acanthology
acarology
acology
acrology same as acrophony
actinobiology
actinology
adenology
aerobiology
aerolithology
aerology
aesthesiophysiology (British English) or esthesiophysiology (American English)
aetiology (British English) or etiology (American English)
agnatology or agnotology
agnoiology
agriology
agrobiology
agroecology
agrology
agrostology
aitiology same as aetiology
alethiology
algology
allergology
alogy (Obsolete) also absurdity
amphibiology
amphibology also amphiboly
amphilogy
anaesthesiology or anesthesiology
analogy
andrology
anemology
angelology
angiology or angeiology also angiotomy or angeiotomy
anthology
anthropobiology
anthropology
anthropomorphology also anthropomorphism
antilogy
antitechnology
aphasiology
apiology
apology
arachnology
archaeology or archeology
archaeozoology (British English) or archeozoology (American English)
archelogy
archology
arcticology
areology
aretology
aristology
arteriology
arthrology
Assyriology
astacology
asteroseismology same as helioseismology
astroarchaeology (British English) or astroarcheology (American English) same as archaeoastronomy (Br Eng) or archeoastronomy (Am Eng), also called megalithic astronomy
astrobiology also exobiology, space biology
astrogeology
astrolithology
astrology
astrometeorology
astrotheology
atheology
atmology
atmospherology
atomology
audiology
autecology
autology
axiology
bacteriology
balneology
barology
batology (not to be confused with battology)
battology
bibliology
biocenology (American English) or biocoenology (British English)
bioclimatology
bioecology
biology
biometeorology
biopsychology
biotechnology
biotheology also called neurotheology
botanology (Obsolete) same as botany
boxology (Slang) also ASCII art
brachylogy
bromatology
bronchoesophagology
brontology
bryology
bugology same as entomology
bumpology (Humorous) same as phrenology
cacology
caliology
campanology
carcinology also called malacostracology, crustaceology
cardiology
cariology
carphology
carpology
cartology same as cartography
catachronobiology
cephalology
cerebrology
cetology
chaology
characterology
cheirology also called dactylology
chirology same as cheirology
chiropterology
choledology
chondrology
choreology
chorology
Christology
chromatology
chronobiology
chronology
chronooncology
chrysology
climatology
clinicopathology
codicology
codology (Irish English, Informal)
cohomology
cometology
comitology
conchology
coniology or koniology
coprology same as scatology
cosmeticology (Rare)
cosmetology
cosmology
craniology
cratology
criminology
cristallology
crustaceology also called carcinology, malacostracology
crustalogy same as crustaceology
cryobiology
cryology
cryptoclimatology
cryptology also cryptography
cryptozoology
cytology
cytomorphology
cytopathology
cytotechnology
dactyliology
dactylology
daemonology (British English) or demonology (American English)
datalogy also computer science
dekalogy
deltiology
demology
demonology (American English) or daemonology (British English)
dendrochronology
dendroclimatology
dendrology
deontology
dermatology
desmidiology
desmology (Rare)
diabetology
diabology also diabolology
dialectology
dianoialogy
dilogy (Rare)
diplomatology
disanalogy (Rare)
discology
dittology (Rare)
docimology
dogmatology
dosiology
dosology (Rare) same as posology
doxology
duology
dyslogy
dysteleology
ecclesiology
eccrinology
ecology (American English) or oecology (British English)
ecophysiology
ecotoxicology
edaphology
Egyptology
electrobiology
electrology
electrophysiology
electrotechnology also electrotechnics
elogy (Obsolete)
embryology
emetology
emmenology
encephalology
endemiology
endocrinology
endocytobiology
endodontology also endodontia, endodontics
enigmatology
enology (American English) or oenology (British English)
enteradenology
enterology
entomology
enzymology
epidemiology
epiphytology
epistemology
epizootiology
erotology
erpetology same as herpetology
Ertology (Science Fiction)
escapology (British English)
eschatology
esthesiophysiology (American English) or aesthesiophysiology (British English)
ethnoarchaeology (British English) or ethnoarcheology (American English)
ethnology
ethnomethodology
ethnomusicology
ethology
etiology (American English) or aetiology (British English)
etymology
euchology also euchologion
eulogy
exobiology also astrobiology, space biology
factology (Informal)
festilogy
fetology (American English) or foetology (British English)
fluviology
foetology (British English) or fetology (American English)
fossilology same as palaeontology (British English) or paleontology (American English)
fungology same as mycology
futurology
galvanology
garbology
gastroenterology
gastrology
gemology or gemmology
genealogy
genesiology
genethlialogy
geobiology
geochronology
geohydrology
geology
geomorphology
geotechnology
geratology
gerodontology
gerontology
ghostology (Rare) also ghost lore
gigantology
gizmology
glaciology
glossology (Archaic) also linguistics
glottochronology
glottology (Obsolete) also linguistics
gnomology
gnomonology
gnosiology
gnotobiology
graminology
grammatology
graphology
gynaecology (British English) or gynecology (American English)
haematology (British English) or hematology (American English)
hagiology
hamartiology
haplology
headology
hedonology also called hedonics
heliology
helioseismology also called asteroseismology
helminthology
hematology (American English) or haematology (British English)
heortology
hepaticology
hepatology
heptalogy (Rare)
herbology
heresiology
herpetology
heterology
hexicology
hierology
hippology
hippopathology
histiology same as histology
histology
histomorphology same as histology
histopathology
histophysiology
historiology
hodology
homology
hoplology
horology
hydrobiology
hydrogeology also called hydrology, geohydrology
hydrology
hydrometeorology
hydrophytology
hyetology
hygiology
hygrology
hymenology
hymnology
hypnology
hysterology also called hysteron proteron
iamatology
ichnolithology same as ichnology
ichnology
ichthyology
iconology
ideology
immunobiology
immunodermatology
immunohaematology (British English) or immunohematology (American English)
immunohistology
immunology
immunopathology
immunopharmacology
implantology
Indology
insectology same as entomology
irenology
iridology
karstology also karst topography
karyology
kidology (British English - Informal)
kinesiology
kinology
koniology or coniology
Kremlinology also called Sovietology
kymatology also fluid mechanics
kyriology also kyriolexy
laryngology
laryngorhinology
lepidopterology also lepidoptery
leptology
lexicology
lichenology
limacology
limnology
lithology
liturgiology also liturgics
logology
lymphangiology also called lymphology
lymphology same as lymphangiology
macroclimatology
macrology (Slang)
macrometeorology
macrosociology
magnetology
malacology
malacostracology also called crustaceology, carcinology
malariology
mammalogy
mammology same as mastology
mantology (Rare) also divination
mapology
Mariology or Maryology
martyrology
Maryology or Mariology
mastology
mateology (Rare)
mazology same as mastology
megatechnology
membranology
menology
meontology
mesometeorology
mesotechnology
metapsychology
meteorology
methodology
metrology
miasmology
microbiology
microclimatology
micrology
micrometeorology
micromorphology
micropalaeontology (British English) or micropaleontology (American English)
microseismology
microtechnology
mineralogy
misology
missiology
mixology (Facetious)
mobilology also mociology (both of these words are of recent usage)
monadology also monadism
monology
morology (Obsolete) also nonsense, foolishness
morphology
muscology same as bryology
museology
musicology
mycetology
mycology
myology
myrmecology
mythology
nanotechnology
narratology
nasology
necrology
nematology
neology also neologism
neonatology
neontology
neossology
nephology
nephrology
neurobiology
neuroembryology
neuroendocrinology
neuroethology
neurohistology
neurohypnology (Obsolete)
neuroimmunology
neurology
neuro-oncology
neuro-ophthalmology
neuro-otology
neuropathology
neuropharmacology
neurophysiology
neuropsychology
neuroradiology
neurotheology same as biotheology
neurotoxicology
neurypnology also nervous sleep
nomology
noology
nosology
nostology also geriatrics
numerology
numismatology
oceanology
odology
odonatology
odontology
oecology (British English) or ecology (American English)
oenology (British English) or enology (American English)
olfactology
ology (Facetious, Informal)
ombrology
oneirology
oncology
onology (Rare)
onomatology also onomastics
ontology
oology
ophiology
ophthalmology
optology (Archaic)
oralogy same as stomatology
oreology same as orology
orchidology
organology
orismology
ornithichnology
ornithology
orology also orography
orthology (Rare)
orthopterology
oryctology (Archaic)
osteology
otolaryngology also called otorhinolaryngology
otology
ourology same as urology
ovology
paedology (British English) or pedology (American English) also soil science
palaeanthropology also palaeoanthropology (British English) or paleoanthropology (American English)
palaebiology also palaeobiology (British English) or paleobiology (American English)
palaeethnology (British English) or paleethnology (American English)
palaetiology
palaeichthyology also palaeoichthyology (British English) or paleoichthyology (American English)
palaeoecology (British English) or paleoecology (American English)
palaeoanthropology (British English) or paleoanthropology (American English)
palaeobiology (British English) or paleobiology (American English)
palaeoclimatology (British English) or paleoclimatology (American English)
palaeoecology (British English) or paleoecology (American English)
palaeoichthyology (British English) or paleoichthyology (American English)
palaeolimnology (British English) or paleolimnology (American English)
palaeology (British English) or paleology (American English)
palaeontology (British English) or paleontology (American English)
palaeopaedology (British English) or paleopedology (American English)
palaeopathology (British English) or paleopathology (American English)
palaeophytology (British English) or paleophytology (American English) also palaeobotany (Br Eng) or paleobotany (Am Eng)
paleoanthropology (American English) or palaeoanthropology (British English)
paleobiology (American English) or palaeobiology (British English)
paleoclimatology (American English) or palaeoclimatology (British English)
paleoecology (American English) or palaeoecology (British English)
paleoichthyology (American English) or palaeoichthyology (British English)
paleolimnology (American English) or palaeolimnology (British English)
paleology
paleontology (American English) or palaeontology (British English)
paleopathology (American English) or palaeopathology (British English)
paleopedology (American English) or palaeopaedology (British English)
paleophytology (American English) or palaeophytology (British English) also paleobotany (Am Eng) or palaeobotany (Br Eng)
paleornithology
paleozoology (American English) or palaeozoology (British English)
palilogy or palillogy
palynology
pantheology
pantology
papyrology
paradoxology
paralogy also paralogism
parapsychology
parasitology
paremiology (American English) or paroemiology (British English)
parisology (Rare)
paroemiology (British English) or paremiology (American English)
paromology
pathobiology
pathology
pathophysiology also called physiopathology
patrology
patronomayology
pedology (American English) or paedology (British English) also soil science
pelology
penology (American English) or poenology (British English)
pentalogy
perinatology
periodontology also periodontics
perissology (Rare)
pestology
petrology
phaenology (British English) or phenology (American English) same as phaenomenology (Br Eng) or phenomenology (Am Eng)
phaenomenology (British English) or phenomenology (American English)
pharmacology
pharology
pharyngology
phenology (American English) or phaenology (British English) same as phenomenology (Am Eng) or phaenomenology (Br Eng)
phenomenology (American English) or phaenomenology (British English)
philology
phlebology same as venology
phonology
photobiology
photogeology
photology
phraseology
phrenology
phthisiology
phycology
physicology (Rare) same as physics
physiopathology same as pathophysiology
physiology
phytolithology also called paleobotany, paleophytology
phytology same as botany
phytopathology also plant pathology
phytophysiology also vegetable physiology
phytosociology
phytology
phytopathology
pistology
placentology
planetology
plutology
pneumatology
pneumology
podology
poenology (British English) or penology (American English)
polemology
polylogy (Rare) also talkativeness
pomology
ponerology
posology
potamology
praxeology or praxiology
primatology
proctology
promorphology also tectology
protistology
protophytology same as paleobotany
protozoology
psephology
pseudology
psilology
psychobiology
psychoimmunology
psychology
psychoneuroimmunology also called PNI
psychopharmacology
psychopathology
psychophysiology
psychotechnology
pteridology
pulmonology
punnology (Rare) also paronomasia
pyramidology
pyretology
pyritology
pyroballogy (Obsolete)
pyrology
quinology
rabdology or rhabdology
radiobiology
radioecology
radioimmunology
radiology
reapology
reflexology
rhabdology or rabdology
rheology
rheumatology
rhinology
roentgenology or röntgenology
runology
saprobiology
sarcology (Archaic)
Satanology or satanology
scatology also called coprology
sedimentology
seismology also called seismography
selenology
selenomorphology
semasiology
sematology also semantics
semeiology or semiology
semiology or semeiology
serology
sexology
sindonology
Sinology
sitology also written sitiology
skeletology
sociobiology
sociology
somatology
somatotypology
sonology
sophiology also sophianism
soteriology
Sovietology also called Kremlinology
spectrology
spelaeology or speleology
sphagnology
sphygmology
splanchnology
splenology
spongology
statistology also statistics
stereology
stichology
stoechiology or stoichiology or stoicheiology
stomatology also called oralogy
storiology
stromatology
suicidology
superapology
supertechnology
symbology
symptomatology
synchronology
syndesmology
synecology
synosteology also arthrology
syphilology
systematology
Tamilology
tautology
taxology same as taxonomy
technicology (Rare) same as technology
technology
tectology also promorphology
teleology
teleradiology
teratology
terminology
termonology (Rare) same as terminology
terotechnology
testaceology (Rare) same as conchology
tetralogy
thanatology
thaumatology
theology
thereology also therapeutics
thermology
therology same as mammalogy
thremmatology
threpsology
Tibetology
tidology
timbrology
tocology or tokology also obstetrics
tonology
topology
toreumatology also toreumatography
toxicology
toxology
traumatology
tribology
trichology
trilogy
trophology
tropology
typhlology
typology
ufology
universology
uranology also uranography
urbanology
urinology same as urology
urology
uronology
uroradiology
venereology also venerology
venology same as phlebology
vermeology (Rare) same as helminthology
vexillology
victimology
vinology
virology
vitaminology
volcanology or vulcanology
xenobiology
xenology
xylology
zoology
zoopathology also animal pathology
zoophysiology
zoophytology
zoopsychology also animal psychology
zymology (Archaic) also enzymology
