Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
rúnda
←
Irish
rún
(affix)
←
Irish
-da
(affix)
←
Old Irish
rúnde
(inherited)
→
Irish
rúndacht
(affix)