Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
truja
←
Gaulish
*trogja
(mention)
←
French
truie
(cognate)
←
Italian
troia
(cognate)
←
Latin
troja
(mention)
←
Latin
porcus
(mention)
←
Latin
de
(mention)
←
Latin
Troia
(mention)
←
Occitan
truèja
(cognate)
→
French
truie
(cognate)
→
Italian
troia
(cognate)