Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
mator
←
Latin
maturus
(derived)
←
Romanian
matur
(doublet)
←
Proto-Slavic
*matorъ
(derived)
→
Romanian
matur
(doublet)