Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
keird-heshaght
←
Manx
keird
(affix)
←
Manx
sheshaght
(affix)
→
Manx
keird-heshaghtys
(affix)
→
Manx
keird-heshaghtagh
(affix)