Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
cair
←
Middle Irish
cóir
(inherited)
←
Old Irish
coaïr
(inherited)
←
Old Irish
cóir
(mention)
→
Manx
neuchairagh
(affix)
→
Manx
neuchairys
(affix)