Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
camán
←
Irish
cam
(suffix)
←
Irish
án
(suffix)
←
Old Irish
cammán
(inherited)
→
Irish
camánacht
(affix)