Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Armenian
արօր
←
Proto-Indo-European
*h₂érh₃trom
(inherited)
←
Old Armenian
արաւր
(mention)
→
Armenian
արոր
(mention)
→
Latin
aratrum
(cognate)