Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aeraigh
←
Irish
aer
(affix)
←
Irish
-igh
(affix)
→
Irish
aerthóir
(affix)
→
Irish
aeraitheoir
(affix)