Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Franco-Provençal
gouardar
←
French
garder
(cognate)
←
Franco-Provençal
gouârda
(suffix)
←
Franco-Provençal
ar
(suffix)
←
Proto-Germanic
*wardāną
(derived)
←
Italian
guardare
(cognate)