Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
coimpléacs
←
Irish
coimpléasc
(doublet)
→
Irish
bruthchoimpléacs
(affix)
→
Irish
crágchoimpléacs
(affix)
→
Irish
coimpléasc
(doublet)