Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
cau
←
Breton
kev
(cognate)
←
Proto-Brythonic
*kaw
(inherited)
←
Proto-Celtic
*kageti
(inherited)
←
Proto-Celtic
*kawyos
(inherited)
←
Welsh
caeu
(link)
←
Welsh
agor
(link)
←
Welsh
ar gau
(link)
←
Welsh
cau am
(link)
←
Welsh
cau ceg
(link)
←
Welsh
cau llygaid ar
(link)
←
Welsh
cae
(link)
←
Welsh
caer
(link)
←
Welsh
ceudod
(doublet)
←
Welsh
solet
(link)
←
Irish
cuas
(cognate)
←
Proto-Indo-European
*kagʰ-
(derived)
←
Proto-Indo-European
(inherited)
←
Latin
cavus
(cognate)
←
Oscan
𐌊𐌀𐌇𐌀𐌃
(cognate)
←
Albanian
kam
(cognate)
←
Middle Welsh
keu
(inherited)
→
English
Glasgow
(cognate)
→
English
haw
(cognate)
→
English
Linlithgow
(affix)
→
Welsh
gau
(mention)
→
Welsh
ar gau
(compound)
→
Welsh
cae
(mention)
→
Welsh
caead
(affix)
→
Welsh
ceubren
(compound)
→
Welsh
amgáu
(affix)
→
Irish
Glaschú
(cognate)
→
Scottish Gaelic
Glaschu
(cognate)
→
Manx
Glaschu
(cognate)