Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
mynegi
←
Breton
menegiñ
(cognate)
←
Middle Welsh
mynegy
(inherited)
→
Welsh
mynegai
(affix)
→
Welsh
mynegbost
(affix)
→
Welsh
mynegfys
(affix)
→
Welsh
mynegiad
(affix)
→
Welsh
mynegiant
(affix)