Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Armenian
կրունկ
←
Old Armenian
կրունկն
(inherited)
→
Armenian
կրունկ
(inherited)
→
Old Armenian
կրուկն
(mention)