Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
caru
←
Proto-Brythonic
*karɨd
(inherited)
←
Proto-Celtic
*kareti
(inherited)
←
Proto-Indo-European
*keh₂-
(derived)
→
English
Carys
(mention)
→
Breton
karout
(cognate)
→
Welsh
cariad
(mention)
→
Welsh
carwr
(suffix)
→
Welsh
gwladgarol
(compound)
→
Welsh
-gar
(mention)
→
Welsh
caredig
(suffix)
→
Cornish
kara
(cognate)