Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
anchruth
←
Irish
an-
(affix)
←
Irish
cruth
(affix)
→
Irish
anchruthach
(affix)
→
Irish
anchruthúil
(affix)