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