Birdfeather's rhymes with:
birdfeathers, birdfeathers, birdfeathers, birdfeathers, feathers, birdfeathers, feathers, get-togethers, gethers, heather's, heathers, leathers, nethers, smethers, tethers, togethers, weather's, weathers
Birdfeather's sounds like:
birdfeathers, birdfeeder's, birdfeeders