Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
lunario
←
Proto-Indo-European
*lewk-
(root)
←
Italian
luna
(suffix)
←
Italian
ario
(suffix)
→
Italian
lunarista
(suffix)
→
Ligurian
lunâio
(cognate)