Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norman
conméthe
←
Old French
commère
(inherited)
←
Latin
com-
(derived)
←
Latin
mater
(mention)
→
Italian
comare
(cognate)
→
Sicilian
cummari
(cognate)