Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
ed
→
Welsh
tristed
(suffix)
→
Welsh
anodded
(suffix)
→
Welsh
diflased
(suffix)
→
Welsh
donioled
(suffix)
→
Welsh
teced
(suffix)
→
Welsh
hapused
(suffix)
→
Welsh
gwyched
(suffix)
→
Welsh
newydded
(suffix)
→
Welsh
twped
(suffix)
→
Welsh
byrred
(suffix)
→
Welsh
culed
(suffix)
→
Welsh
caleted
(suffix)