Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
agat
←
Irish
ag
(compound)
←
Irish
tú
(compound)
←
Old Irish
ocut
(inherited)
→
Irish
agatsa
(affix)