Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *pénkʷe(d)ḱomt

Catalan cinquanta (mention)
Greek πενήντα (mention)
Spanish cincuenta (mention)
French cinquante (mention)
Ancient Greek πεντήκοντα (mention)
Italian cinquanta (mention)
Latin quinquaginta (mention)
Ligurian çinquànta (mention)
Portuguese cinquenta (mention)
Sardinian chimbanta (mention)