no more, nary, zero, nobelium, atomic number 102, lack, negative, never, none, not, more...

yes, certainly, indeed, absolutely, definitely

nope, nay, nay-sayer, nay-sayers, nay-saying, more...

"nah ... really",   "absolutely not!",   "oh ain't!",   uhuh"nope!" (hyph.),   "nope!" (hyph.),   do not want,   words of refusal,   negative answers,   respectful refusal,   scottish denial,   of course not,   "hard pass",   i dont,   has not