Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
cawl
←
Welsh
cawl
(borrowed)
←
English
caulis
(doublet)
←
English
caul
(mention)
←
Proto-Indo-European
*kéh₂wl̥
(derived)
←
Proto-Indo-European
*keh₂ulós
(mention)
←
Proto-Indo-European
*kowos
(mention)
←
Latin
caulis
(derived)