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4-letter words containing I and O

A curated list of 4-letter words tailored to this exact pattern. Tweak letter filters and length to explore related families. For example: agio, biog, bios.

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97 words
Word Definition Length Syllables
agio42
biog41
bios41
biro42
boil41
brio41
ciao41
cion41
coif41
coil41
coin41
coir41
coni42
dido42
dino42
diol41
doit41
fico42
fido42
filo42
fino42
foci42
foil41
foin41
giro42
icon42
idol42
ikon42
info42
inro42
into42
ions41
iota42
iron42
jiao41
join41
kilo42
kino42
kois41
koji42
lido42
lilo42
limo42
lino42
lion41
loci42
loid41
loin41
loti42
milo42
miso42
modi42
moil41
momi42
naoi41
nodi42
noil41
noir41
nori42
obia42
obis42
obit42
odic42
ohia42
oils41
oily42
oink41
olio42
omit42
otic42
oxid42
oxim42
pion41
piso42
pois41
riot41
roil41
roti42
silo42
soil41
soli42
sori42
thio41
tiro42
toil41
toit41
topi42
tori42
trio41
vino42
viol41
void41
wino42
yogi42
yoni42
zoic41
zori42

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