Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
coigéile
←
Irish
comh-
(affix)
←
Irish
céile
(affix)
←
Old Irish
coicéile
(inherited)
→
Irish
coigéilsine
(affix)