Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
aaphroofey
←
English
proof
(derived)
←
Manx
aa
(prefix)
←
Manx
(prefix)
←
Manx
(suffix)
←
Manx
ey
(suffix)