Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
caarjys
←
Manx
carrey
(affix)
←
Manx
-ys
(affix)
←
Old Irish
cairdes
(inherited)
→
Manx
cochaarjys
(prefix)
→
Manx
neuchaarjys
(affix)