Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
yfory
←
Proto-Celtic
*bāregos
(inherited)
←
Welsh
bore
(cognate)
←
Irish
amáireach
(cognate)
←
Irish
i mbáireach
(mention)