Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
labhairt
←
Old Irish
labairt
(inherited)
←
Old Irish
labraithir
(mention)
→
Irish
labharthacht
(affix)
→
Irish
labharthach
(suffix)
→
Irish
urlabhairt
(affix)
→
Manx
loayrt
(cognate)