Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
hwyad
←
Breton
houad
(cognate)
←
Proto-Brythonic
*(s)awyetos
(inherited)
←
Proto-Celtic
*awis
(inherited)
←
Irish
aoi
(mention)
←
Proto-Indo-European
*h₂éwis
(inherited)
←
Cornish
hos
(cognate)
←
Latin
avis
(cognate)
←
Middle Welsh
hwyat
(inherited)
→
Breton
houad
(cognate)
→
Welsh
corhwyad
(compound)
→
Albanian
shotë
(cognate)