Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
escient
←
Latin
sciens
(borrowed)
←
Latin
scio
(mention)
→
French
sciemment
(mention)
→
Old French
esciemment
(suffix)
→
Old French
al sien escient
(mention)
→
Old Occitan
escien
(cognate)