Clarity rhymes with:
celerity, hilarity, irregularity, polarity, popularity, regularity, similarity, celerity, dexterity, disparity, familiarity, geraghty, hilarity, irregularity, parity, peculiarity, polarity, popularity, posterity, prosperity, rarity, regularity, similarity, sincerity, solidarity, temerity, unfamiliarity, verity
Clarity sounds like:
celerity, chlorate, chloride, clardy, clarette, clarida, clarita, cleared, cloherty, cloward, collard, collared, colorado, colored, coloured, couillard