Countable Nouns That End in SIS

Explore 744 verified English countable nouns ending with the suffix -SIS, including Analysis, Basis, Crisis, Emphasis, Diagnosis, Thesis and Hypothesis. 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
analysis
antithesis
apotheosis
acidosis
amniocentesis
amyloidosis
anastomosis
anamnesis
apheresis
autolysis
arabidopsis
alkalosis
amanuensis
atelectasis
apsis
apoapsis
apophysis
amebiasis
aponeurosis
arthrodesis
aspergillosis
anamorphosis
ankylosis
agenesis
basis
biosynthesis
biocatalysis
bombogenesis
bronchiectasis
blastomycosis
bacteriolysis
bacteriosis
biocenosis
bronchostenosis
bronchiostenosis
bronchomycosis
blepharophimosis
broncholithiasis
blepharostenosis
blepharolithiasis
botryomycosis
bronchoaspergillosis
biolysis
bacteriodiagnosis
blepharodiastasis
bronchomucormycosis
blepharosymphysis
bronchiocrisis
crisis
chassis
catharsis
cirrhosis
cyanosis
catalysis
carcinogenesis
cassis
catechesis
cytokinesis
cholelithiasis
cryptanalysis
coreopsis
coccidiosis
chondromatosis
crasis
cysticercosis
classis
catachresis
catabasis
carcinomatosis
chemosis
cladogenesis
coccidioidomycosis
diagnosis
dialysis
diuresis
diathesis
deemphasis
diegesis
dermatosis
diaeresis
diastasis
diaphysis
diesis
diapedesis
dermatophytosis
diarthrosis
dysgenesis
diaschisis
dermatomycosis
dermomycosis
diapophysis
deplasmolysis
diacrisis
desmosis
diorthosis
dermatoneurosis
emphasis
ellipsis
exegesis
electrophoresis
endocytosis
emesis
exocytosis
epistasis
ecchymosis
ethnogenesis
ekphrasis
exosmosis
epiphysis
endosymbiosis
ecdysis
ecstasis
eisegesis
electrosynthesis
entasis
epenthesis
endosmosis
erythrocytosis
exostosis
epiclesis
frontolysis
fasciolopsis
flagellosis
fasciodesis
genesis
gametogenesis
gliosis
gomphosis
granulosis
gummosis
gliomatosis
gastroanastomosis
gastroenteroanastomosis
gastrocoloptosis
gerontomorphosis
hypothesis
hypnosis
hydrolysis
hysteresis
hemodialysis
hemochromatosis
hypophysis
hypostasis
hemiparesis
hydronephrosis
hyperkeratosis
hyperlordosis
hyperostosis
hypervitaminosis
helminthiasis
hallucinosis
heliopsis
homolysis
hydrogenolysis
hematolysis
heterokaryosis
heterolysis
histolysis
holophrasis
iconostasis
ichthyosis
iontophoresis
immunoelectrophoresis
immunodiagnosis
ionophoresis
interkinesis
illadopsis
ixodiasis
immunophoresis
ipomopsis
ketoacidosis
kurtosis
kyphosis
kinesis
keratosis
katabasis
karyokinesis
keratomileusis
kribensis
karyolysis
kenogenesis
kyllosis
lysis
lipolysis
lordosis
leishmaniasis
lachesis
leukocytosis
lithiasis
lipomatosis
lymphocytosis
leucosis
leukosis
lymphogranulomatosis
lymphangiectasis
lipidosis
lyolysis
lymphosarcomatosis
lipoidosis
laryngoparalysis
lymphadenectasis
metamorphosis
metastasis
meiosis
misdiagnosis
mitosis
mutagenesis
metathesis
metempsychosis
mydriasis
miosis
mycosis
misanalysis
melioidosis
melanosis
microanalysis
myiasis
metalepsis
mycotoxicosis
mythopoesis
metanalysis
misemphasis
morphosis
mythogenesis
mucopolysaccharidosis
nemesis
neurosis
necrosis
narcosis
nephrosis
noncrisis
neurolysis
neurohypophysis
nearthrosis
narcoanalysis
nephroptosis
nonmetamorphosis
narcocatharsis
nephroangiosclerosis
nephrocoloptosis
oasis
osmosis
overemphasis
overdiagnosis
overanalysis
osteonecrosis
organogenesis
osteoarthrosis
osteopetrosis
orthosis
orogenesis
onomatopoiesis
ozonolysis
onychocryptosis
osteoclasis
ophthalmomycosis
ophthalmodiagnosis
paralysis
prognosis
psychosis
psychoanalysis
parenthesis
psoriasis
prosthesis
pathogenesis
pyrolysis
phagocytosis
prolepsis
plasmapheresis
proteolysis
phimosis
protasis
ptosis
periphrasis
periapsis
pneumoconiosis
psychoneurosis
paracentesis
parasitosis
photolysis
pheresis
reanalysis
resynthesis
restenosis
reemphasis
radiolysis
resinosis
rachischisis
rhipsalidopsis
synthesis
sis
synopsis
sclerosis
stasis
symbiosis
scoliosis
stenosis
symphysis
synapsis
spondylosis
spondylolisthesis
syllepsis
synchondrosis
syndesmosis
synarthrosis
spondylolysis
semiosis
solenopsis
syneresis
synostosis
serodiagnosis
sorosis
skepsis
thesis
thrombosis
thrombolysis
trypanosomiasis
tendinosis
thyrotoxicosis
thoracentesis
toxicosis
tmesis
teniasis
telangiectasis
thermolysis
taeniasis
transgenesis
thoracocentesis
trichiasis
thanatopsis
tussis
tylosis
trichuriasis
treponematosis
trichosis
thlipsis
theriomorphosis
urinalysis
underdiagnosis
urolithiasis
underemphasis
ulosis
urosis
ureterostegnosis
ureterocystanastomosis
vaginosis
vibriosis
virosis
varicosis
visceroptosis
whosis
whoosis
whatsis
xanthomatosis
xenodiagnosis
xenogenesis
xenomorphosis
zoonosis
zygapophysis
zygosis
zymosis
zymolysis
zoosis

•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.