Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
cog
←
Proto-Brythonic
*kog
(inherited)
←
Proto-Brythonic
*kog
(inherited)
←
Welsh
cwcw
(link)
←
Welsh
coginio
(link)
←
English
cook
(link)
←
Middle Low German
kâ
(cognate)
←
Old High German
kā
(cognate)
←
Proto-Indo-European
*pekʷ-
(root)
←
Latin
coquus
(derived)
←
Middle Welsh
coc
(inherited)
←
Middle Welsh
coc
(inherited)
→
Welsh
coginio
(mention)
→
Welsh
cogydd
(suffix)