Countable Nouns Ending in IS and Containing OS
Browse 361 valid English countable nouns ending in IS and containing OS, from Diagnosis, Prognosis, Psychosis, Metamorphosis, Hypnosis, Osmosis and Sclerosis 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 apotheosis
acidosis
amyloidosis
anastomosis
alkalosis
aponeurosis
aspergillosis
anamorphosis
ankylosis
avitaminosis
amaurosis
apodosis
arthrosis
actinomycosis
aposiopesis
amitosis
anabiosis
angiostenosis
anthropomorphosis
anadiplosis
antibiosis
angiomatosis
anthroponosis
adenosis
Starts with B
15 words biosynthesis
blastomycosis
bacteriosis
biocenosis
bronchostenosis
bronchiostenosis
bronchomycosis
blepharophimosis
blepharostenosis
botryomycosis
bronchoaspergillosis
bacteriodiagnosis
bronchomucormycosis
blepharosymphysis
brachiostrophosis
Starts with C
24 words cirrhosis
cyanosis
coccidiosis
chondromatosis
cysticercosis
cosmopolis
carcinomatosis
chemosis
coccidioidomycosis
cheilosis
craniostenosis
cytodiagnosis
chondrosis
coniosis
cerebrosis
chromoblastomycosis
craniostosis
cranioschisis
cheiloschisis
clasmatosis
colacobiosis
cystonephrosis
cerebropsychosis
chromodermatosis
Starts with D
20 words diagnosis
dermatosis
dermatophytosis
diarthrosis
dermatomycosis
dermomycosis
desmosis
diorthosis
dermatoneurosis
dermamycosis
dermatozoonosis
dactylosymphysis
dermapostasis
dermatoconiosis
diabrosis
diamorphosis
dermostosis
dermoneurosis
dacryocystoptosis
diacoelosis
Starts with E
24 words endocytosis
exocytosis
ecchymosis
exosmosis
endosymbiosis
electrosynthesis
endosmosis
erythrocytosis
exostosis
empyrosis
enhypostasis
enarthrosis
electroosmosis
epanorthosis
electrodiagnosis
epidermophytosis
enzymosis
epibiosis
endomitosis
enostosis
epimorphosis
enchondrosis
enterostenosis
eragrostis
Starts with F
1 words flagellosis
Starts with G
10 words gliosis
glossitis
gomphosis
granulosis
gummosis
gliomatosis
gastroanastomosis
gastroenteroanastomosis
gastrocoloptosis
gerontomorphosis
Starts with H
18 words hypnosis
hemochromatosis
hypostasis
hydronephrosis
hyperkeratosis
hyperlordosis
hyperostosis
hypervitaminosis
hallucinosis
heterokaryosis
hydrarthrosis
hematosis
hypermetamorphosis
hypotyposis
haplosis
hemimetamorphosis
homomorphosis
hydropneumatosis
Starts with I
3 words iconostasis
ichthyosis
immunodiagnosis
Starts with K
5 words ketoacidosis
kurtosis
kyphosis
keratosis
kyllosis
Starts with L
10 words lordosis
leukocytosis
lipomatosis
lymphocytosis
leucosis
leukosis
lymphogranulomatosis
lipidosis
lymphosarcomatosis
lipoidosis
Starts with M
16 words metamorphosis
meiosis
misdiagnosis
mitosis
metempsychosis
miosis
mycosis
melioidosis
melanosis
myosotis
mycotoxicosis
morphosis
mucopolysaccharidosis
mycoplasmosis
microsporogenesis
monosis
Starts with N
9 words neurosis
necrosis
narcosis
nephrosis
nearthrosis
nephroptosis
nonmetamorphosis
nephroangiosclerosis
nephrocoloptosis
Starts with O
12 words osmosis
overdiagnosis
osteonecrosis
osteomyelitis
osteoarthrosis
osteopetrosis
orthosis
onychocryptosis
osteoclasis
ophthalmomycosis
ophthalmodiagnosis
ophthalmomyositis
Starts with P
24 words prognosis
psychosis
prosthesis
proboscis
prostatitis
phagocytosis
phimosis
ptosis
pneumoconiosis
psychoneurosis
parasitosis
proptosis
periostitis
pinocytosis
parabiosis
polyposis
paraphimosis
papillomatosis
proctosigmoiditis
pasteurellosis
paedomorphosis
phlebothrombosis
phosphorolysis
polyhedrosis
Starts with R
2 words restenosis
resinosis
Starts with S
24 words sclerosis
symbiosis
scoliosis
stenosis
spondylosis
synchondrosis
syndesmosis
synarthrosis
semiosis
synostosis
serodiagnosis
sorosis
spirochetosis
strongylosis
sycosis
sialosis
salpiglossis
sacrospinalis
spondylosyndesis
saccharomycosis
schizostylis
sialostenosis
syssarcosis
sarcosporidiosis
Starts with T
17 words thrombosis
trypanosomiasis
tendinosis
thyrotoxicosis
toxicosis
tenosynovitis
tylosis
treponematosis
trichosis
theriomorphosis
trichophytosis
trophoneurosis
trophobiosis
toxicodermatosis
thoracogastroschisis
trypanosomatosis
thoracoceloschisis
Starts with U
5 words underdiagnosis
ulosis
urosis
ureterostegnosis
ureterocystanastomosis
Starts with V
5 words vaginosis
vibriosis
virosis
varicosis
visceroptosis
Starts with W
2 words whosis
whoosis
Starts with X
3 words xanthomatosis
xenodiagnosis
xenomorphosis
Starts with Z
4 words zoonosis
zygosis
zymosis
zoosis