Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
banais
←
Proto-Celtic
*banowessā
(inherited)
←
Old Irish
banais
(inherited)
←
Old Irish
ben
(cognate)
←
Old Irish
feis
(mention)