Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
o
←
Italian
od
(alter)
←
Italian
(alter)
←
Italian
used optionally before words beginning with a vowel
(alter)
←
Latin
ō
(inherited)
←
Latin
O
(mention)
←
Latin
aut
(inherited)
→
Corsican
o
(cognate)
→
Extremaduran
o
(cognate)
→
Italian
oppure
(affix)
→
Italian
incasso
(confix)
→
Italian
oddio
(compound)
→
Italian
telematico
(suffix)
→
Italian
spoonerismo
(suffix)
→
Italian
sfingeo
(suffix)