Scarcity rhymes with:
varsity, adversity, authenticity, cassetty, cassity, duplicity, ethnicity, mendacity, multiplicity, nicety, pomposity, propensity, reciprocity, synchronicity, tenacity, varsity, veracity, virtuosity
Scarcity sounds like:
sarasota, sarchet, scariest, scorched, scourged, screeched, searched, searight, seawright, sechrest, sechrist, secrest, secrist, segregate, segregated, segrest, seragut, shahrzad, shirked, shrieked, shrugged, siegrist, sigrist, skyrocket, skyrocketed, surest, surged, surrogate