Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
Llychlyn
→
Welsh
Llychlynnaidd
(affix)
→
Welsh
carw Llychlyn
(affix)
→
Welsh
Llychlynnwr
(affix)