Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
gealtachas
←
Irish
gealtach
(affix)
←
Irish
-as
(affix)
←
Old Irish
geltachas
(inherited)
←
Old Irish
geltach
(mention)
←
Old Irish
geilt
(mention)