Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
cyfweld
←
Welsh
cyf-
(affix)
←
Welsh
gweld
(affix)
→
Welsh
cyfweliad
(affix)
→
Welsh
cyfwelydd
(affix)