Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
faobhar
←
Old Irish
fáebar
(inherited)
→
Irish
défhaobhrach
(affix)
→
Irish
faobhraigh
(affix)
→
Irish
faobhrach
(affix)