duckweed

accede, airspeed, bindweed, birdseed, blueweed, bourride, breast-feed, bur reed, burweed, cheerlead, chickweed, concede, crossbreed, cudweed, debride, degreed, exceed, fairlead, fern seed, fireweed, flaxseed, force-feed, free reed, Godspeed, ground speed, gulfweed, half-breed, hand-feed, hawkweed, hayseed, high-speed, horseweed, impede, implead, inbreed, indeed, ironweed, Jamshid, jetbead, knapweed, knotweed, linseed, lip-read, milkweed, misdeed, mislead, misread, moonseed, nosebleed, off-speed, oilseed, pigweed, pinweed, pokeweed, pondweed, precede, proceed, proofread, ragweed, rapeseed, recede, reseed, rockweed, seaweed, secede, self-feed, Siegfried, sight-read, silkweed, smartweed, snakeweed, sneezeweed, speed-read, spoon-feed, stall-feed, stampede, stickseed, stickweed, stinkweed, succeed, ten-speed, tickseed, warp speed, weak-kneed, witchweed, wormseed