Countable Nouns That End in IO

Explore 108 verified English countable nouns ending with the suffix -IO, including Audio, Radio, Studio, Scenario, Ratio, Portfolio and Bio. 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.

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Starts with A7 words
audio
adagio
arpeggio
amnio
addio
agio
animalillio
Starts with B8 words
bio
barrio
braggadocio
bagnio
baguio
bocaccio
borachio
braccio
Starts with C11 words
cheerio
curio
carpaccio
capriccio
cabrio
comprimario
curculio
cessio
calcedonio
cellvibrio
coemptio
Starts with D5 words
dimaggio
doppio
danio
donatio
desulfovibrio
Starts with E8 words
empresario
estadio
exceptio
elepaio
expressio
etaerio
emptio
escambio
Starts with F8 words
folio
fonio
fascio
finocchio
fallopio
fario
ferio
fugio
Starts with G
1 words
gorgio
Starts with H
2 words
helio
histrio
Starts with I5 words
io
imbroglio
impresario
intaglio
internuncio
Starts with L4 words
lothario
latifundio
latticinio
libeccio
Starts with M
2 words
mustachio
mercedario
Starts with N3 words
nuncio
ngaio
noctilio
Starts with O
2 words
oratorio
olio
Starts with P16 words
portfolio
patio
pistachio
physio
presidio
papilio
preludio
punctilio
pasticcio
pastitsio
pronuncio
pernio
petitio
piopio
pulvillio
porphyrio
Starts with R7 words
radio
ratio
rio
radicchio
reductio
rosolio
restio
Starts with S12 words
studio
scenario
sicario
scipio
solfeggio
seraglio
senecio
sitio
solio
stellio
solutio
segugio
Starts with T5 words
trio
tercio
taleggio
thio
tenebrio
Starts with V
1 words
vibrio
Starts with W
1 words
whio

•Browse Countable Nouns by Letter (A to Z)

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