Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
curcubeu
←
Franco-Provençal
arcboit
(mention)
←
Franco-Provençal
arboè
(mention)
←
Ladin
arcobuàn
(mention)
←
Neapolitan
(mention)