Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
caint
←
Old Irish
cainnt
(inherited)
→
Irish
cainteoir
(suffix)
→
Irish
mionchaint
(affix)
→
Irish
cainteach
(affix)