Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Italian mercato
Latin mercātus (inherited)

Italian piazza (link)
Italian supermercato (prefix)
Italian mercatino (affix)
Italian mercatino (affix)
Italian automercato (prefix)
Italian euromercato (prefix)
Italian ortomercato (prefix)
Italian minimercato (prefix)
Italian mercatista (affix)
Venetian marcà (cognate)