Winnowed rhymes with:
anode, patnode, anode, boatload, borrowed, carload, caseload, cathode, copycode, crossroad, diode, download, eckenrode, elbowed, episode, inroad, microcode, mustachioed, nematode, overload, patnode, payload, planeload, radioed, railroad, rexroad, richaud, shipload, tiptoed, torpedoed, truckload, unitrode, workload
Winnowed sounds like:
wanat, wand, wanda, wandie, waned, want, wanta, wante, wanted, weaned, weant, wehunt, weiand, weinand, wend, wenda, wende, wendt, wendy, went, wente, weyand, weyandt, weyant, weymouth, wiant, wieand, winant, wind, winded, window, windowed, windt, windy, wined, winnett, wint, winwood, womanhood, won't, wond, wonda, wont, wound, wounded, wyand, wyant, wynette