Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
vós
←
Proto-Italic
*wōs
(inherited)
←
Latin
vōs
(inherited)
→
Catalan
vosaltres
(mention)
→
Catalan
adéu-siau
(mention)