Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
-awd
→
Welsh
-od
(alter)
→
Welsh
degawd
(affix)
→
Welsh
-awdau
(compound)
→
Welsh
-awdwyr
(compound)