Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
co-aignagh
←
Manx
co-aigney
(affix)
←
Manx
-agh
(affix)
→
Manx
co-aignaghys
(affix)