Impeding rhymes with:
stampeding, speeding, stampeding, acceding, bleeding, breeding, ceding, conceding, exceeding, feeding, heeding, inbreeding, interceding, kneading, leading, misleading, misreading, needing, pleading, preceding, preceeding, proceeding, receding, reding, rereading, seceding, seeding, speeding, stampeding, succeeding, superseding, weeding
Impeding sounds like:
impatience, impatiens, impedance, impotence, ineptness, infatuating, inhabiting, inhibiting, inhibitions, innovating, innovations, invading, invitations, inviting