naysayer

n. 否定者，怀疑主义者

nauseating, nauseatingly, nauseous, nautical, nautical mile, nautilus, naval, nave, navel, navel orange, navigability, navigable, navigate, navigation, navigational, navigator, navvy, navy, navy blue (also navy), nay, Nazi, Nazism, NB (also nb), NBC, NCO, NE, Neanderthal, neap, Neapolitan, near, near at hand, near by, near to, near-, near-royalty, near-sighted, near-sightedness, nearby, nearest, nearly,