Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
intí
→
Irish
té
(inherited)
→
Irish
an té
(inherited)
→
Old Irish
intísiu
(affix)
→
Old Irish
intísin
(affix)