Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Irish
fétaid
←
Old Irish
·éta
(inherited)
←
Old Irish
ad·cota
(mention)
→
Irish
féidir
(mention)
→
Irish
féad
(inherited)
→
Scottish Gaelic
faod
(inherited)