Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
mómhar
←
Irish
modh
(affix)
←
Irish
-mhar
(affix)
←
Old Irish
modmar
(inherited)
→
Irish
mómharach
(affix)