Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
juventud
←
Latin
iuventūtem
(derived)
←
Latin
iuventūs
(mention)
←
Latin
iuvenis
(mention)
←
Old Spanish
iuuentut
(inherited)
→
Catalan
joventut
(cognate)