Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cerc
←
Ancient Greek
κίρκος
(derived)
←
Latin
circus
(inherited)
←
Romanian
circ
(doublet)
→
Romanian
cearcăn
(mention)
→
Romanian
încercui
(mention)
→
Romanian
semicerc
(affix)
→
Romanian
cerculeț
(suffix)
→
Romanian
cercușor
(suffix)
→
Romanian
Cerc
(mention)
→
Romanian
Cercu
(mention)
→
Albanian
qark
(cognate)