Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
arena
←
Italian
rena
(mention)
←
Latin
arēna
(inherited)
→
Italian
arenarsi
(suffix)
→
Italian
arenoso
(suffix)
→
Italian
arenicolo
(suffix)
→
Romanian
arină
(cognate)