Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
angau
←
Proto-Brythonic
*ankow
(inherited)
←
Proto-Celtic
*ankus
(inherited)
←
Proto-Indo-European
*neḱ-
(root)
←
Middle Welsh
angheu
(inherited)
→
Welsh
angheuol
(affix)
→
Latin
nex
(cognate)