Pomposity rhymes with:
reciprocity, virtuosity, adversity, authenticity, cassetty, cassity, duplicity, ethnicity, mendacity, multiplicity, nicety, propensity, reciprocity, scarcity, synchronicity, tenacity, varsity, veracity, virtuosity
reciprocity, virtuosity, adversity, authenticity, cassetty, cassity, duplicity, ethnicity, mendacity, multiplicity, nicety, propensity, reciprocity, scarcity, synchronicity, tenacity, varsity, veracity, virtuosity