Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
gwraig
←
Proto-Brythonic
*gwrėg
(inherited)
←
Middle Welsh
gureic
(inherited)
←
Middle Welsh
gwreic
(mention)
→
Welsh
pen-ôl gwraig Lot
(mention)
→
Welsh
tafarnwraig
(compound)
→
Welsh
bydwraig
(compound)
→
Welsh
-wraig
(mention)
→
Old Irish
frac
(cognate)