Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
Brython
←
Proto-Brythonic
*Brɨθon
(inherited)
→
English
Briton
(cognate)
→
English
Brython
(borrowed)
→
Welsh
Prydain
(mention)
→
Welsh
Brythoniaid
(affix)
→
Welsh
Brythoneg
(suffix)