Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
fadaigh
←
Irish
adaigh
(alter)
←
Irish
fadóigh
(alter)
←
Irish
fada
(affix)
←
Irish
-igh
(affix)
←
Irish
adaigh
(alter)
←
Middle Irish
fataigid
(inherited)
←
Old Irish
ad·daí
(inherited)
←
Old Irish
fotaigid
(inherited)
←
Old Irish
fataigid
(mention)