Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
baght
→
Manx
ard-vaght
(prefix)
→
Manx
baghtal
(mention)
→
Manx
aavaght
(affix)