Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Armenian
խեչակ
←
Old Armenian
խեչ
(derived)
←
Old Armenian
-ակ
(mention)
→
Armenian
խեչակ
(inherited)