Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
iníonas
←
Irish
iníon
(affix)
←
Irish
-as
(affix)
←
Middle Irish
ingenas
(inherited)
←
Old Irish
ingen
(derived)