Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
ὄα
←
Proto-Indo-European
*h₁eyHweh₂
(inherited)
→
Ancient Greek
ὄον
(mention)
→
Latin
uva
(cognate)
→
Albanian
vadhë
(derived)
→
Old Armenian
այգի
(cognate)