Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
delbaid
←
Proto-Indo-European
*delh₁-
(root)
←
Old Irish
delb
(affix)
←
Old Irish
-aid
(affix)