Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
rhwymo
←
Welsh
rhwym
(affix)
←
Welsh
-o
(affix)
→
Welsh
rhwymiad
(affix)
→
Welsh
rhwymwr
(affix)
→
Welsh
rhwymedig
(affix)
→
Welsh
ymrwymo
(affix)
→
Welsh
amrwymo
(affix)