Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
gerar
←
Greek
Γενάρης
(cognate)
←
Italian
gennaio
(cognate)
←
Latin
iānuārius
(derived)
←
Romanian
ger
(affix)
←
Romanian
-ar
(affix)
←
Romanian
ghenar
(doublet)