Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
fortachtaigh
←
Irish
fortacht
(affix)
←
Irish
-igh
(affix)
←
Middle Irish
fortachtaigid
(inherited)
←
Old Irish
fortachtaigidir
(inherited)