Countable Nouns That End in TIS

Explore 244 verified English countable nouns ending with the suffix -TIS, including Arthritis, Hepatitis, Dermatitis, Colitis, Sinusitis, Appendicitis and Mantis. Useful for ESL grammar practice, determiner usage, and plural spelling and rhyming patterns, browse these count nouns with singular and plural forms below or review singular and plural count rules in our noun grammar guide.

Refine list...
JUMP:
Sort:

Group:

Case:

View:

JUMP TO:
Select any word to view available definitions & photosSelect any word for details
arthritis
appendicitis
arteritis
alveolitis
angiitis
abatis
adenitis
abattis
aortitis
adrenitis
andronitis
arctotis
aegialitis
adenocellulitis
adenopharyngitis
arthrochondritis
angiocholecystitis
adatis
adenologaditis
antiparastatitis
bursitis
balanitis
blepharoconjunctivitis
bitis
batis
buprestis
blepharoadenitis
colitis
cystitis
conjunctivitis
clematis
cholangitis
cheilitis
clafoutis
cutis
carditis
cactoblastis
cephalitis
choriomeningitis
colpitis
celtis
ceratitis
chorioretinitis
choroiditis
corneitis
centropristis
colorectitis
cystis
cynodictis
cobitis
clitoritis
dermatitis
desmitis
dimittis
dimatis
deradenitis
encephalitis
esophagitis
epiglottis
epiglottitis
encephalomyelitis
enterocolitis
endarteritis
epipactis
epiphysitis
ethmoiditis
encephalomeningitis
endopericarditis
eragrostis
euproctis
enterohepatitis
endophlebitis
endostitis
endoesophagitis
endolabyrinthitis
endoappendicitis
endovasculitis
encephalomyocarditis
endoangiitis
esogastritis
Starts with F
2 words
fortis
fibropericarditis
gastroenteritis
glottis
glomerulonephritis
glossitis
gastroduodenitis
gastroenterocolitis
hepatitis
haliotis
hydrastis
hydropericarditis
hepatoperitonitis
hydrocholecystis
Starts with I
1 words
iridochoroiditis
Starts with K
2 words
keratitis
keratoconjunctivitis
lymphadenitis
leonotis
leukoencephalitis
laryngovestibulitis
mantis
metis
mastoiditis
myelitis
myotis
meningoencephalitis
myosotis
myringitis
mephitis
meningocerebritis
myeloencephalitis
mesenteritis
melittis
myringodermatitis
mesoappendicitis
metrolymphangitis
neuritis
nephthytis
natis
neurochorioretinitis
osteomyelitis
ovotestis
onychitis
orchiepididymitis
ophthalmomyositis
ophthalmoneuritis
olecranarthritis
pharyngitis
prostatitis
pastis
pneumonitis
parotitis
pneumocystis
periostitis
polioencephalitis
polyarthritis
papillitis
proctosigmoiditis
proglottis
perinephritis
pharyngotonsillitis
phrenitis
panophthalmitis
perihepatitis
pseudoappendicitis
parotiditis
perityphlitis
pharyngolaryngitis
parotis
pseudomeningitis
pharyngoamygdalitis
Starts with R
1 words
rhinopharyngitis
sinusitis
stomatitis
stephanotis
synovitis
subcutis
syrtis
sialadenitis
spondylarthritis
synodontis
sarcocystis
sideritis
sclerotitis
spermatocystitis
sclerochoroiditis
scleroticochoroiditis
sacrocoxitis
staphylodermatitis
tendinitis
testis
thyroiditis
thrombophlebitis
tenosynovitis
tracheobronchitis
tracheitis
typhlitis
tendovaginitis
tenovaginitis
tricyrtis
thromboarteritis
toxicodermatitis
thrombolymphangitis
urethritis
uvulitis
ureteropyelonephritis
vasculitis
vitis
valvulitis
vulvovaginitis
vectis
Starts with Z
1 words
zaphrentis

•Browse Countable Nouns by Letter (A to Z)

Select an ending letter to browse countable nouns
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.