Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
meitat
←
Latin
medietās
(mention)
←
Latin
medius
(inherited)
←
Occitan
meitat
(cognate)
←
Occitan
mitat
(mention)
←
Old Occitan
(inherited)
→
Spanish
mitad
(cognate)