Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
réabhlóid
→
Irish
réabhlóidí
(affix)
→
Irish
réabhlóideach
(affix)
→
Irish
frithréabhlóid
(affix)