Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
airnigde
←
Old Irish
ar-
(affix)
←
Old Irish
ni-
(affix)
←
Old Irish
guide
(affix)
→
Irish
urnaitheach
(mention)
→
Irish
urnaí
(inherited)