nosy.or.nosey, nosier, nosiest.adjectives
given to prying into the affairs of others; snoopy; curious; inquisitive
nosily.adverb
nosiness.noun

nasty, nastier, nastiest.adjectives
physically repellent; offensive; indecent; disgustingly dirty; malicious; spiteful (people should not say nasty things); unpleasant uncomfortable or annoying (nasty weather; a nasty trick)
nasty.noun, plural.nasties
nastily.adverb
nastiness.noun