Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
padell
←
Proto-Brythonic
*padell
(inherited)
←
Latin
patella
(derived)
←
Latin
patera
(mention)
←
Latin
patina
(mention)
←
Old Welsh
patel
(inherited)
←
Middle Welsh
padell
(inherited)