Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cornish
efanvos
→
Cornish
benyn efanvos
(affix)
→
Cornish
den efanvos
(affix)
→
Cornish
tus efanvos
(affix)
→
Cornish
benenes efanvos
(affix)