Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dalmatian
čoncuanta
←
Spanish
cincuenta
(cognate)
←
French
cinquante
(cognate)
←
Friulian
cincuante
(cognate)
←
Italian
cinquanta
(cognate)
←
Latin
quīnquāgintā
(inherited)