Though both are acceptable it is more common to use 'nought'.
Naught is somewhat archaic and would refer more to an action. Such as in, "His efforts came to naught."
The homophone for "nought" is "naught." Both words sound the same but have different spellings and meanings.
13
Zero, nought, naught, nil, love, nothing, nowt,
No, it is a noun. It means "nothing" or "zero." (considered a variant spelling of naught)
Those letters will spell nought (also spelled naught).
nothing, nothing at all, nil, none, naught/nought, zilch, nix, zip, nada, diddly-squat.
You can use it instead of nothing. All his labor was for nought, the tree died anyway. All his labor was for nothing, the tree died anyway. I have nought but the clothes on my back and the cardboard box I sleep in. I have nothing but the clothes on my back and the cardboard box I sleep in.
nothing, nothing at all, nil, none, naught/nought, zilch, nix, zip, nada, diddly-squat.
none, nada, nothing, zip, zilch None, nothing naught nought none nil empty veiniker vi tzigene bupkes
The word "zero" has many synonyms: nothing, nil, none, naught/nought, zilch, nix, zip, nada and my personal favorite, diddly-squat.
nought point eight four or 840 / thousandths
Five Five Five Nought Nought Nought Nought