Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
airigidir
←
Old Irish
aire
(affix)
←
Old Irish
-igidir
(affix)
→
Irish
airigh
(inherited)
→
Scottish Gaelic
fairich
(inherited)