Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
gaiscíocht
←
Irish
gaisce
(affix)
←
Irish
-íocht
(affix)
←
Irish
gaiscíoch
(mention)
←
Old Irish
gaiscedach
(derived)