Pronoun
nada
nothing
"Nada explica esa factura, ni siquiera mi miedo."
Nothing explains that bill, not even my fear.
Write it
Write a sentence with nada in it, whatever's on your mind.
It doesn't have to be perfect
Short story
A three-sentence story with nada in it. New one every time.
Couldn't write one just now - try again in a moment.