Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
seanadóir
←
Irish
seanad
(affix)
←
Irish
-óir
(affix)
←
Latin
senātor
(derived)
←
Old Irish
senatóir
(inherited)
→
Irish
seanadóiriúil
(affix)