Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
amaid
←
Old Irish
[[ammait]], [[aimmit]]
(inherited)
→
Irish
amadán
(affix)
→
Irish
amaideach
(affix)
→
Irish
amaideacht
(affix)