Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aonbheannach
←
Irish
aon-
(affix)
←
Irish
beann
(affix)
←
Irish
-ach
(affix)
←
Old Irish
óenbennach
(inherited)