Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
gwrando
←
Welsh
gwar-
(compound)
←
Welsh
andaw
(compound)
←
Welsh
(compound)
←
Welsh
an-
(compound)
←
Welsh
taw
(compound)
←
Welsh
(compound)
←
Latin
navus
(cognate)
←
Middle Welsh
*adnaw
(inherited)