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9-Letter Words Ending with IS

For word games needing IS suffixes, here's your 9-letter word resource. Popular examples include ACARIASIS, ACROPOLIS, AEPYORNIS, plus ALKALOSIS, ALLANTOIS, AMARYLLIS and many more. Use the table below to find the perfect word for your game.

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138 words

Word	Length	Syllables
acariasis	9	4
acropolis	9	4
aepyornis	9	3
alkalosis	9	4
allantois	9	3
amaryllis	9	4
amaurosis	9	4
ambergris	9	3
amebiasis	9	4
anacrusis	9	4
anamnesis	9	4
ankylosis	9	4
apheresis	9	4
apophysis	9	4
arteritis	9	4
arthritis	9	3
arthrosis	9	3
asynapsis	9	4
autolysis	9	4
beriberis	9	4
bourgeois	9	2
bousoukis	9	3
bouzoukis	9	3
broccolis	9	3
calamaris	9	4
cantharis	9	3
caryopsis	9	3
catalexis	9	4
catalysis	9	4
catharsis	9	3
chapattis	9	3
chappatis	9	3
chigetais	9	3
chlorosis	9	3
chrysalis	9	3
cirrhosis	9	3
coreopsis	9	3
corydalis	9	4
cytolysis	9	4
daiquiris	9	3
daishikis	9	3
diaeresis	9	3
diagnosis	9	3
diaphysis	9	3
diathesis	9	3
digitalis	9	4
doupionis	9	3
eisegesis	9	4
endomixis	9	4
enteritis	9	4
ephemeris	9	4
epidermis	9	4
epiphysis	9	4
epistasis	9	4
epistaxis	9	4
exodermis	9	4
exostosis	9	4
fluorosis	9	3
franglais	9	2
gastritis	9	3
gingellis	9	3
gingillis	9	3
glossitis	9	3
halitosis	9	4
hemolysis	9	4
hepatitis	9	4
heterosis	9	4
homolysis	9	4
hydroskis	9	3
hypotaxis	9	4
katharsis	9	3
keratitis	9	4
keratosis	9	4
kirigamis	9	4
kolbassis	9	3
laminitis	9	4
linguinis	9	3
lipolysis	9	4
lithiasis	9	3
macaronis	9	4
maharanis	9	4
malihinis	9	4
maravedis	9	4
mariachis	9	3
mydriasis	9	3
nephritis	9	3
nephrosis	9	3
noncrisis	9	3
oogenesis	9	4
ouistitis	9	3
ovotestis	9	4
pachoulis	9	3
paralysis	9	4
parataxis	9	4
parchesis	9	3
parchisis	9	3
parotitis	9	4
pastramis	9	3
pastromis	9	3
peperonis	9	4
pertussis	9	3
phlebitis	9	3
precrisis	9	3
proboscis	9	3
prognosis	9	3
prolepsis	9	3
proptosis	9	3
prothesis	9	3
psoriasis	9	3
psychosis	9	3
pyrolysis	9	4
retinitis	9	4
rigatonis	9	4
sannyasis	9	3
sclerosis	9	3
scoliosis	9	3
shanghais	9	2
silicosis	9	4
sinusitis	9	4
souvlakis	9	3
sukiyakis	9	3
syllepsis	9	3
symbiosis	9	3
symphysis	9	3
syneresis	9	4
synizesis	9	4
synovitis	9	4
synthesis	9	3
taeniasis	9	3
telotaxis	9	4
teocallis	9	3
teriyakis	9	3
toxicosis	9	4
vaginitis	9	4
verdigris	9	3
vibriosis	9	3
yakitoris	9	4
zucchinis	9	3

FAQs

What’s typical about IS-ending words?
IS often marks suffix families; think about derivatives when guessing.

Do you include UK/US spellings?
Where they exist, both may appear.