Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*karnos
→
English
Cornwall
(derived)
→
English
cairn
(derived)
→
Breton
Karnag
(mention)
→
Welsh
carn
(inherited)
→
Galician
carnoedo
(derived)
→
Ancient Greek
κάρνον
(derived)
→
Latin
Carnutes
(derived)
→
Serbo-Croatian
Kranj
(derived)
→
Serbo-Croatian
Крањ
(derived)