Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
lleian
←
Welsh
llai
(affix)
←
Welsh
-an
(affix)
→
Welsh
lleianaeth
(affix)
→
Welsh
lleianaidd
(affix)
→
Welsh
lleiandy
(compound)