Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Athabaskan
*tšʼʷəy ~ *tšʼʷi
→
Navajo
níłchʼi
(derived)
→
Navajo
-CHʼI
(inherited)