Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
datblygu
←
Welsh
dat-
(affix)
←
Welsh
plygu
(affix)
←
Welsh
(affix)
→
Welsh
datblygiad
(affix)
→
Welsh
datblygwr
(affix)