Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
cae
←
Breton
kae
(cognate)
←
Proto-Celtic
*kagyom
(inherited)
←
Welsh
cau
(mention)
←
Welsh
caer
(mention)
←
English
haw
(cognate)
←
Proto-Indo-European
*kagʰom
(inherited)
←
Proto-Indo-European
*kagʰ-
(mention)
←
Cornish
ke
(cognate)
←
Latin
cohum
(cognate)
←
Old Irish
caí
(cognate)
←
Middle Welsh
kay
(inherited)
→
English
quay
(cognate)
→
English
haw
(cognate)
→
Welsh
caer
(mention)
→
Welsh
cau
(link)
→
Faroese
kai
(cognate)
→
Old French
cail
(cognate)
→
Irish
cé
(cognate)
→
Norwegian Bokmål
kai
(cognate)
→
Dutch
heg
(cognate)
→
Norwegian Nynorsk
kai
(cognate)
→
Swedish
kaj
(cognate)