Scrap

piece bit part fragment crumb morsel grain speck trace shred sliver chunk lump portion snatch snippet bite mouthful modicum iota jot particle atom mite glob gob hunk end remains waste leaving leftover discard junk odds and ends bits and pieces orts castoff cutting stump butt chip slice smithereen

disagreement dispute quarrel fight row squabble battle fray tiff wrangle brawl fracas scuffle broil affray set-to

discard drop reject ditch abandon get rid of throw out dismiss jettison junk shed forsake chuck toss out write off break up do away with cast slough demolish dispense with retire put out to pasture consign to scrap heap