Spanish tú and usted correspond etymologically to Portuguese tu and você, but Portuguese has gained a third, even more formal form o(s) senhor(es), a(s) senhora(s), demoting você to an "equalizing" rather than respectful register.
Spanisch tú und usted gehen etymologisch mit Port. tu und você einher, aber Portugiesisch bekam eine dritte, noch formalere Form o(s) senhor(es), a(s) senhora(s), você auf eine eher „gleichmachende“ denn formale Ebene versetzend.