Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cornish
en
→
Cornish
blejan
(suffix)
→
Cornish
steren
(suffix)
→
Cornish
gwenenen
(suffix)
→
Cornish
bleujenn
(suffix)
→
Cornish
gwedhen
(suffix)
→
Cornish
sevien
(suffix)