Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
ffurf
←
Proto-Brythonic
*fʉrβ̃
(inherited)
←
Latin
fōrma
(derived)
←
Middle Welsh
ffuruf
(inherited)
←
Middle Welsh
ffuryf
(mention)
→
Welsh
ffurfiol
(suffix)
→
Welsh
ffurfio
(suffix)