Dropped rhymes with:
cropped, propped, adopt, chopped, co-opt, copped, cropped, flopped, hopped, lopped, mopped, opt, plopped, popped, propped, shopped, stopped, swapped, topped
Dropped sounds like:
deorbit, derived, drabbed, draft, drafted, draftee, drafty, draped, dribbed, drift, drifta, drifted, driftwood, dripped, drooped, dropout, drubbed, dwarfed