Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
-adur
←
Latin
-ātor
(cognate)
→
Welsh
pladur
(affix)
→
Welsh
cachadur
(affix)
→
Welsh
rheiddiadur
(compound)
→
Welsh
esgaladur
(affix)
→
Welsh
-aduron
(compound)
→
Welsh
-aduriaid
(compound)