Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
berw
←
Proto-Brythonic
*berw
(inherited)
←
Proto-Celtic
*berwos
(inherited)
←
Proto-Indo-European
(inherited)
←
Proto-Indo-European
*bʰerw-
(mention)
→
Welsh
berwi
(suffix)
→
Galician
berbia
(cognate)
→
Galician
Berbia
(cognate)
→
Latin
ferveo
(cognate)