Toxicity rhymes with:
analyticity, complicity, domesticity, eccentricity, elasticity, electricity, felicity, publicity, simplicity, specificity
Toxicity sounds like:
tacit, tacita, tacked, tackett, tackitt, tact, tagged, tagout, takata, takeda, takeout, takeshita, taketa, taketh, taoist, tasaday, tasked, taste, tasted, tasty, taught, taxcut, taxed, taxied, teachout, teakwood, teased, teast, tejada, tejeda, test, testa, tested, testy, text, thatched, thickest, thicket, thickhead, thought, ticked, ticket, ticketed, tight, tightwad, toast, toasted, toogood, tossed, tostado, toste, tosti, tosto, touched, touchet, touchette, toughed, toughest, toussaud, tschida, tschudy, tshisekedi, tsuda, tucked, tuckett, tuesday, tugged, tuxedo, tweaked, twigged, twist, twisted, twisty, twitched