Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
cytûn
←
Welsh
cyd-
(prefix)
←
Welsh
(prefix)
←
Welsh
dy-
(prefix)
←
Welsh
un
(prefix)
←
Middle Welsh
cytyun
(inherited)
←
Middle Welsh
cytuun
(mention)
→
Welsh
cytundeb
(affix)
→
Welsh
anghytûn
(affix)
→
Welsh
cytuno
(affix)