Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
derwyddiaeth
←
Welsh
derwydd
(affix)
←
Welsh
-iaeth
(affix)
←
Irish
draíocht
(cognate)
←
Cornish
drewydhieth
(cognate)
→
Irish
draíocht
(cognate)