Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cabhair
←
Old Irish
cobair
(inherited)
→
Irish
féinchabhair
(affix)
→
Irish
cabhrach
(affix)
→
Irish
cabhraigh
(affix)