Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Welsh
gor
←
Proto-Brythonic
*wor
(inherited(owl/wlm))
←
Proto-Celtic
*uɸor
(inherited(owl/wlm))
←
Proto-Indo-European
*upér
(inherited(owl/wlm))