Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cóngarach
←
Irish
cóngar
(suffix)
←
Irish
ach
(suffix)
←
Old Irish
comgarach
(inherited)
←
Old Irish
comgar
(mention)