Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Aodh
←
Proto-Indo-European
*h₂eydʰ-
(root)
←
Old Irish
Áed
(inherited)
←
Old Irish
áed
(mention)
→
English
Aidan
(mention)