Related Clues:

• Nix, nada, nothing
• O, that's all it is!
• Nought but one in it
• O, that's it!
• A might get nothing like this to die, by the sound of it
• There's nothing like this in Rome
• There's nothing to it
• A this might make one die, by the sound of it, of nothing at all
• For Ulster, fifty is nothing at all
• Fifty back in nothing
• Nothing, it's this
• There's no end of 29 down here
• Nothing that's to be found in 13 across
• F ought to do for this
• 'O, that's it! (3)'