Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
naie
←
Proto-Indo-European
*néh₂us
(inherited)
←
Latin
navis
(inherited)
←
Romanian
navă
(doublet)
→
Romanian
navă
(doublet)
→
Romanian
noian
(suffix)
→
Aromanian
nai
(cognate)