Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
reeriaght
←
Manx
ree
(compound)
←
Manx
riaght
(compound)
→
Manx
ard-reeriaght
(prefix)