Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
Arianrhod
←
Proto-Brythonic
*arɣant
(inherited)
←
Proto-Brythonic
*rrod
(mention)
←
Welsh
rod
(mention)
←
Middle Welsh
Aryanrot
(inherited)
←
Middle Welsh
Aranrot
(mention)
←
Middle Welsh
ariant
(mention)
←
Middle Welsh
rot
(mention)