Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
dioddef
←
Welsh
di-
(affix)
←
Welsh
goddef
(affix)
→
Welsh
dioddefwr
(affix)
→
Welsh
dioddefaint
(affix)
→
Welsh
dioddefgar
(affix)