Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Catalan so
Catalan sonar (link)
Catalan sònic (link)
Spanish son (cognate)
Spanish sueno (mention)
French son (cognate)
Italian suono (cognate)
Latin sonus (inherited)
Occitan son (cognate)
Old Occitan son (inherited)

Catalan son (link)
Catalan sonar (link)
Catalan es (link)
Catalan salat (link)