Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese com
Proto-Indo-European *ḱóm (inherited)
Latin cum (inherited)
Old Portuguese con (inherited)

Kabuverdianu ku (derived)
Papiamentu ku (derived)
Guinea-Bissau Creole ku (derived)
Portuguese cum (mention)
Portuguese nós (mention)
Portuguese consigo (mention)
Portuguese consigo (link)
Portuguese consigo (link)
Portuguese consigo (link)
Portuguese compatriota (prefix)
Portuguese contudo (compound)
Portuguese de acordo com (mention)
Portuguese comigo (mention)
Portuguese comarca (affix)
Portuguese quem não tem cão, caça com gato (mention)
Portuguese mamão com açúcar (mention)
Portuguese conviver (prefix)
Portuguese feijão-com-arroz (mention)
Portuguese comproprietário (prefix)
Portuguese contanto (compound)
Portuguese vai com Deus (mention)
Portuguese com uma mão na frente e a outra atrás (mention)
Sardinian cun (cognate)