Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aithríoch
←
Irish
aithrí
(affix)
←
Irish
-ach
(affix)
←
Middle Irish
aithrigech
(inherited)
←
Middle Irish
aithrige
(mention)
→
Irish
aithreachas
(mention)