9 Letter Countable Nouns Ending in IS

Browse 187 valid English 9 letter countable nouns that end with IS, from Diagnosis, Synthesis, Arthritis, Paralysis, Prognosis, Hepatitis and Psychosis to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with A
24 words
arthritis
acropolis
amaryllis
anamnesis
apheresis
autolysis
alkalosis
allantois
apophysis
arteritis
amebiasis
ankylosis
anacrusis
apophasis
amaurosis
arthrosis
anastasis
acariasis
anabiosis
anaptyxis
aesthesis
anacharis
anemopsis
anagallis
Starts with B
4 words
bourgeois
balanitis
barachois
buprestis
Starts with C
24 words
catharsis
chrysalis
cirrhosis
catalysis
charolais
coreopsis
cheilitis
clafoutis
corydalis
catabasis
catalexis
cytolysis
cheilosis
cantharis
caryopsis
ceratitis
cephaelis
cucoloris
cereopsis
corneitis
clinoaxis
ceriornis
choriotis
conchitis
Starts with D
14 words
diagnosis
digitalis
diathesis
diaeresis
diastasis
diaphysis
diadophis
didelphis
diacrisis
diaplasis
diazeuxis
diaclasis
diabrosis
diectasis
Starts with E
24 words
epidermis
ephemeris
epistaxis
epistasis
ekphrasis
exosmosis
epiphysis
eisegesis
exostosis
epiclesis
empyrosis
engraulis
epithesis
epizeuxis
epipactis
enzymosis
epibiosis
epicrisis
epiplexis
exodermis
enostosis
epistylis
euproctis
exairesis
Starts with G
2 words
glossitis
gomphosis
Starts with H
7 words
hepatitis
hemipenis
hamamelis
heliopsis
homolysis
hydrastis
hematosis
Starts with I
4 words
ideopolis
ixodiasis
ipomopsis
isoplexis
Starts with K
5 words
keratitis
keratosis
katabasis
kribensis
kalimeris
Starts with L
3 words
lipolysis
lithiasis
lipidosis
Starts with M
6 words
mydriasis
mirabilis
melanosis
morphosis
mistigris
metabasis
Starts with N
2 words
nephrosis
noncrisis
Starts with O
3 words
ovotestis
onychitis
orthoaxis
Starts with P
21 words
paralysis
prognosis
psychosis
psoriasis
proboscis
pyrolysis
prolepsis
parotitis
periapsis
proptosis
parataxis
polyposis
prothesis
phrenitis
proclisis
parabasis
parenesis
protoavis
pontlevis
pseudaxis
promuscis
Starts with Q
1 words
quebecois
Starts with R
3 words
resinosis
rheotaxis
rhipsalis
Starts with S
16 words
synthesis
sclerosis
sinusitis
symbiosis
scoliosis
symphysis
syllepsis
synovitis
syneresis
sparassis
synchysis
sideritis
synizesis
symptosis
stegnosis
synthyris
Starts with T
6 words
toxicosis
taeniasis
typhlitis
tricyrtis
trichosis
telotaxis
Starts with V
3 words
vaginosis
vibriosis
varicosis
Starts with Z
1 words
zymolysis

•Browse Countable Nouns by Letter (A to Z)

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