Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
arfer
←
Proto-Brythonic
*arβer
(inherited)
←
Proto-Celtic
*ɸarebereti
(inherited)
→
Welsh
adfer
(mention)
→
Welsh
fel arfer
(compound)
→
Welsh
ymarfer
(affix)