Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
songer
←
Old French
songier
(inherited)
←
Latin
somniāre
(inherited)
←
Latin
somniō
(mention)
→
French
songeur
(suffix)
→
French
songerie
(suffix)