Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*loɸernos
→
Breton
louarn
(inherited)
→
Galician
loberno
(derived)
→
Cornish
lowarn
(inherited)
→
Old Armenian
աղուէս
(cognate)