Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
sefydlu
←
Welsh
sefydlog
(suffix)
←
Welsh
-u
(suffix)
←
Welsh
sefyll
(mention)
→
Welsh
sefydliad
(affix)
→
Welsh
sefydlydd
(affix)