Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Armenian
-երեակ
←
Proto-Indo-European
*penkʷe-ro
(mention)
←
Proto-Indo-European
*-er-
(mention)
←
Old Armenian
(mention)
←
Old Armenian
(suffix)
←
Old Armenian
եակ
(suffix)
←
Old Armenian
հնգերեակ
(mention)
←
Old Armenian
(mention)
→
Old Armenian
վեցերիր
(mention)