Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
deiney
←
Manx
fo-gheiney
(link)
←
Middle Irish
dóenda
(inherited)
→
Manx
fo-gheiney
(prefix)