Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
óige
←
Irish
óg
(mention)
←
Middle Irish
óice
(inherited)
←
Old Irish
óc
(mention)
←
Old Irish
oítiu
(mention)
→
Irish
luath-óige
(affix)