Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
pwysig
←
Welsh
pwys
(suffix)
←
Welsh
-ig
(suffix)
→
Welsh
hollbwysig
(compound)
→
Welsh
pwysigrwydd
(affix)