Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
siptãmãnã
←
Latin
septimānus
(inherited)
←
Latin
septimus
(mention)
←
Romanian
săptămână
(cognate)