Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
ardaigh
←
Irish
ard
(affix)
←
Irish
-igh
(affix)
←
Old Irish
ardaigid
(inherited)
←
Old Irish
ard
(mention)
→
Irish
ardaitheoir
(affix)
→
Irish
ardaitheach
(affix)