Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
Dubois
←
French
du
(compound)
←
French
bois
(compound)
←
French
Du Bois
(alter)
←
French
du Bois
(alter)
←
French
Bois
(alter)
→
English
Dubois
(borrowed)