Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
αφαλός
←
Greek
ομφαλός
(doublet)
←
Ancient Greek
ὀμφαλός
(inherited)
←
Proto-Indo-European
*h₃m̥bʰ-
(derived)
←
Proto-Indo-European
*h₃nebʰ-
(mention)
→
Greek
ομφαλός
(doublet)