Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese mercado
Latin mercātus (inherited)
Portuguese mercar (link)
Old Portuguese mercado (inherited)

Portuguese supermercado (prefix)
Portuguese hipermercado (affix)
Portuguese antimercado (affix)
Portuguese mercadejar (affix)
Portuguese mercadinho (suffix)
Tetum merkadu (borrowed)