Dexterity rhymes with:
posterity, posterity, celerity, clarity, disparity, familiarity, geraghty, hilarity, irregularity, parity, peculiarity, polarity, popularity, posterity, prosperity, rarity, regularity, similarity, sincerity, solidarity, temerity, unfamiliarity, verity
Dexterity sounds like:
desiderata, destroyed, distort, distorted, doctorate, doctored