Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
aaghooghys
←
Manx
aa
(prefix)
←
Manx
dooghys
(prefix)
→
Manx
aaghooghyssagh
(affix)