Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
άρκτος
←
Ancient Greek
ἄρκτος
(derived)
←
Proto-Indo-European
*h₂ŕ̥tḱos
(derived)
→
Greek
αρκούδα
(cognate)
→
Persian
خرس
(cognate)
→
Italian
orso
(cognate)
→
Pontic Greek
άρκος
(cognate)