Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
bun-scoill
←
Irish
bunscoil
(cognate)
←
Manx
bun
(prefix)
←
Manx
scoill
(prefix)