Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
Duna
←
Greek
Δούναβης
(cognate)
←
Latin
Danubius
(derived)
←
Romanian
Dunăre
(mention)
←
Serbo-Croatian
Дунав
(mention)