Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Athabaskan
*-ɢa̓·ŋ-əʔ
→
Navajo
gaan
(inherited)
→
Navajo
agaan
(inherited)