Countable Nouns with IOS

Browse 176 verified English countable nouns containing the letters IOS, including Curiosity, Kiosk, Adios, Idiosyncrasy, Symbiosis, Biosphere and Scoliosis. Filter these count nouns with singular and plural forms by word length below, or review singular and plural count rules in our noun grammar guide.

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Starts with A
24 words
adios
axios
angiosperm
angiosarcoma
arteriosclerotic
arioso
anabiosis
angiostenosis
antibiosis
angioscope
angiostomy
angiospasm
aeciospore
aethrioscope
angiosis
aeciostage
aecidiospore
angiostegnosis
angiosteosis
angiosymphysis
arteriosympathectomy
aerobioscope
angiostrophy
aecioteliospore
Starts with B
24 words
biosphere
bioscience
biosensor
biosynthesis
biosimilar
brachiosaurus
biosignature
biostatistician
bacteriostatic
bioscope
biosolid
brachiosaur
bioscientist
bacteriosis
basidiospore
biosatellite
bacteriostat
biostatic
branchiostegal
biostrome
biosystematist
bioscopy
bronchiostenosis
brachiostrophosis
Starts with C
23 words
curiosity
coccidiosis
coccidiostat
craniostenosis
criosphinx
crios
celioscope
celioscopy
cetiosaurian
chondriosome
conidiospore
coniosis
craniostosis
cardiosphygmograph
celiosalpingectomy
cranioschisis
cranioscopy
colacobiosis
chondriosphere
cardiosphygmogram
cranioscopist
celioschisis
celiosalpingotomy
Starts with D
4 words
diospyros
dubiosity
dermatoconiosis
dihelios
Starts with E
16 words
endosymbiosis
ebriosity
elaiosome
eleutherios
epibiosis
ebullioscope
enantiobiosis
enantiosis
enantobiosis
eriostemon
enaliosaur
enaliosaurian
episiostenosis
eriosoma
endoradiosonde
electrobioscopy
Starts with F
2 words
furiosity
fastidiosity
Starts with G
7 words
grandiosity
gliosis
gracioso
grazioso
ganglioside
gloriosa
gonioscope
Starts with H
5 words
heliosphere
heliostat
hagioscope
heliosciophyte
helminthosporiose
Starts with I
2 words
ios
idiosyncrasy
Starts with K
1 words
kiosk
Starts with M
5 words
meiosis
mafioso
miosis
myrioscope
meiospore
Starts with N
2 words
notiosorex
nephroangiosclerosis
Starts with O
2 words
otiosity
ovariosalpingectomy
Starts with P
23 words
plesiosaur
pneumoconiosis
periosteum
preciosity
pliosaur
periostitis
parabiosis
pluviose
prodigiosity
periostracum
piosity
plesiosaurian
pliosaurian
porphyrios
pycnidiospore
periosteorrhaphy
parasymbiosis
pericardiosymphysis
periosteomyelitis
plagiostome
periosteomedullitis
pronephridiostome
pseudopodiospore
Starts with R
7 words
religiosity
radiosensitivity
radiosonde
radioscopy
radiosterilization
radiostrontium
radioscope
Starts with S
18 words
symbiosis
scoliosis
sapiosexual
scabiosa
stevioside
semiosis
speciosity
somniosus
spuriosity
sarcosporidiosis
sciosophy
sporangiospore
synoeciosis
sciosophist
sepiost
sodiosalicylate
saccharotriose
sepiostaire
Starts with T
5 words
thiosulfate
triose
tediosity
teliospore
trophobiosis
Starts with U
2 words
urediospore
urediniospore
Starts with V
2 words
vibriosis
vitiosity

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