Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
kurteisi
←
Old French
curteisie
(derived)
←
Old French
curteis
(derived)
←
Old French
cortois
(derived)
←
Latin
cortensis
(cognate)