Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
bonheddig
←
Welsh
bonedd
(suffix)
←
Welsh
ig
(suffix)
←
Old Welsh
bonhedyc
(cognate)
←
Old Welsh
bonhetyc
(mention)
→
Welsh
boneddiges
(suffix)