nada
nothing
not a
not a
Nada means nothing and sounds similar to the English phrase not a0 (not a0) thing, which also means 'nothing'.
pronoun
  1. nothing
    Nothing
    No hay nada en la caja. // There is nothing in the box.
adverb
  1. not at all
    Not at all, in no way
    No estoy nada cansado. // I'm not at all tired.