Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
cam
←
Proto-Brythonic
*kam
(inherited)
←
Proto-Celtic
*kanksman
(inherited)
←
Proto-Celtic
*kanxsman
(mention)
←
Proto-Celtic
*kengeti
(mention)
←
Proto-Celtic
*kambos
(inherited)
←
Welsh
cam a cham
(link)
←
Welsh
camu
(link)
←
English
cam
(borrowed)
←
Old Irish
camm
(cognate)
→
Welsh
camlwrw
(affix)
→
Welsh
camu
(affix)
→
Welsh
camu
(affix)
→
Welsh
camgymeriad
(compound)
→
Welsh
cam-
(mention)
→
Welsh
camlas
(compound)
→
Galician
camba
(cognate)
→
Galician
cambo
(cognate)
→
Latin
cambium
(cognate)
→
Old Irish
camm
(cognate)