Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
breag
←
Old Irish
bréc
(inherited)
→
Manx
breagerey
(mention)
→
Manx
breagagh
(affix)
→
Manx
breageyder
(suffix)