Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
adareg
←
Welsh
adar
(affix)
←
Welsh
-eg
(affix)
→
Welsh
adaregydd
(affix)
→
Welsh
adaregol
(affix)