Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
braaroil
←
Manx
braar
(suffix)
←
Manx
oil
(suffix)
←
Middle Irish
bráithremail
(inherited)
→
Manx
braaroilid
(suffix)