These two words are spelled the same and are pronounced the same. May, the month, always has a capital M, whereas normally the m in the other may in lower case. Realmente, May = maio, e may = Poder Por exemplo, Hoje e o dia 23 de maio = Today is the 23rd day of May. Será que eu poderia emprestar o seu celular? - May I borrow your phone? Hope this helps!

Rodrigo, You correctly pointed out that 'May' is a month of the year. In the phrase 'may I go?' you are asking for permission to leave/go.

Yes, they are written the same

write equal ?