Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
astaigh
←
Irish
astaíocht
(link)
←
Irish
fótastaíoch
(link)
←
Middle Irish
astaigid
(inherited)
←
Old Irish
ad·suidi
(inherited)
→
Irish
fótastaíoch
(affix)
→
Irish
astaíocht
(affix)