Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bourguignon
dessevrai
←
Bourguignon
dé
(prefix)
←
Bourguignon
sevrai
(prefix)
→
Italian
disceverare
(cognate)