否 ⇒
是否 shìfǒu, whether (or not)/if/is or isn't
否则 fǒuzé, [否則], if not/otherwise/else/or else
能否 néngfǒu, whether or not/can it or can't it/is it possible?
否认 fǒurèn, [否認], to declare to be untrue/to deny
与否 yǔfǒu, [與否], whether or not (at the end of a phrase)
否定 fǒudìng, to negate/to deny/to reject/negative (answer)/negation
否决 fǒujué, [否決], to veto/to overrule
否 fǒu/pǐ, to negate/to deny/not, clogged/evil
可否 kěfǒu, is it possible or not?
矢口否认 shǐkǒufǒurèn, [矢口否認], to deny flatly
否决权 fǒujuéquán, [否決權], veto power
不置可否 bùzhìkěfǒu, decline to comment/not express an opinion/be noncommittal/hedge