Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
oltar
←
Old Church Slavonic
олътарь
(borrowed)
←
Romanian
altar
(doublet)
→
Romanian
altar
(mention)
→
Ukrainian
вівтар
(cognate)