Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
marț
←
Catalan
març
(cognate)
←
Italian
marzo
(cognate)
←
Latin
(mensis) [[mārtius]]
(inherited)
←
Portuguese
março
(cognate)
←
Romanian
martie
(doublet)
←
Aromanian
martsu
(cognate)
→
Romanian
martie
(doublet)
→
Romanian
mărțișor
(suffix)
→
Aromanian
martsu
(cognate)