Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
songeur
←
French
songer
(suffix)
←
French
eur
(suffix)
←
Latin
somniātor
(mention)
→
French
songeusement
(suffix)
→
Norman
songeux
(cognate)