Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norman
dgai
←
Old French
gai
(inherited)
←
Proto-West Germanic
*wāhi
(mention)
←
Gothic
*𐌲𐌰𐌷𐌴𐌹𐍃
(derived)
←
Latin
vagus
(derived)
←
Old Occitan
gai
(derived)
→
Norman
dgaiement
(suffix)