Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Irish
cruittirecht
←
Middle Irish
cruittire
(suffix)
←
Middle Irish
acht
(suffix)
→
Irish
cruitireacht
(inherited)
→
Manx
cruitçheraght
(inherited)