Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
neges
←
Proto-Brythonic
*neges
(inherited)
←
Latin
necesse
(derived)
←
Middle Welsh
neges
(inherited)
→
Welsh
negeseua
(affix)
→
Welsh
negesydd
(affix)
→
Welsh
negesfwrdd
(affix)