Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
doppeln
←
Old French
doble
(derived)
→
Cimbrian
duppelan
(cognate)
→
German
doppelt
(mention)
→
German
verdoppeln
(prefix)