un_countable
mass
common
concrete
"chaff, deadwood, debris, dreck (also drek), dross, dust, effluvium (also effluvia), garbage, junk, litter, offal, offscouring, raffle, refuse, riffraff, scrap, spilth, trash, truck, waste"
"catch, gem, goody (or goodie), jewel, pearl, plum, prize, treasure, treasure trove, trove, valuable booty, find, salvage"