Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
oaylleeaght
←
Irish
eolaíocht
(cognate)
←
Manx
oayllee
(suffix)
←
Manx
aght
(suffix)
→
Manx
çhengoaylleeaght
(compound)