Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
cuidich
←
Middle Irish
cuitigid
(inherited)
←
Middle Irish
cuit
(mention)
→
Scottish Gaelic
cuidiche
(suffix)
→
Scottish Gaelic
cuideachail
(affix)