Mendacity rhymes with:
cassetty, cassity, tenacity, veracity, adversity, authenticity, cassetty, cassity, duplicity, ethnicity, multiplicity, nicety, pomposity, propensity, reciprocity, scarcity, synchronicity, tenacity, varsity, veracity, virtuosity
Mendacity sounds like:
matched, matchett, matsuda, matsushita, mediaset, medicaid, medicate, medicated, metagogued, methodist, mideast, midget, midgett, midgette, midsized, midst, midwest, mindset, mitigate, mitigated, modesitt, modest, modesta, modestia, modesto, modesty, modisette, monteagudo, mudgett