Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
Bixio
←
Italian
Bisio
(mention)
←
Italian
bigio
(doublet)
←
Latin
byssus
(derived)
←
Ligurian
bixio
(orthographic borrowing)
←
Ligurian
bixo
(mention)
→
Italian
bigio
(doublet)