Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
clwyf
→
Welsh
clwyfdy
(compound)
→
Welsh
hyglwyf
(prefix)
→
Welsh
clwyfo
(affix)
→
Welsh
clwyfus
(affix)