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