Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
ενενήντα
←
Ancient Greek
ἐνενήκοντα
(inherited)
←
Proto-Indo-European
*h₁néwn̥(d)ḱomt
(inherited)