Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
meteleg
←
Welsh
metel
(affix)
←
Welsh
-eg
(affix)
→
Welsh
metelegwr
(affix)
→
Welsh
metelegydd
(affix)
→
Welsh
metelegol
(affix)