Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
llymder
←
Welsh
llwm
(affix)
←
Welsh
-der
(affix)
←
Welsh
llym
(affix)
←
Welsh
-der
(affix)