feather — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
weather — the state of the atmosphere with respect to wind, temperature, cloudiness, moisture, pressure, etc.
Three-syllable rhymes
cleverness — mentally bright; having sharp or quick intelligence; able.
effortless — requiring or involving no effort; displaying no signs of effort; easy: an effortless writing style.
tenderness — soft or delicate in substance; not hard or tough: a tender steak.
Four-or-more syllable rhymes
togetherness — warm fellowship, as among members of a family.