Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
eskob
←
Proto-Brythonic
*eskob
(inherited)
←
Welsh
esgob
(cognate)
←
Ancient Greek
ἐπίσκοπος
(derived)
←
Cornish
epskop
(cognate)
←
Latin
episcopus
(derived)
←
Middle Breton
eskop
(inherited)
→
Breton
eskopti
(compound)
→
Breton
eskobel
(suffix)
→
Breton
arc'heskob
(prefix)
→
Welsh
esgob
(cognate)