Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
dóer
←
Old Irish
do
(prefix)
←
Old Irish
fer
(prefix)
→
Irish
daor
(mention)
→
Scottish Gaelic
daor
(mention)
→
Manx
deyr
(inherited)