Synonyms and related words :
castaway, deep six, derelict, discard, discarding, disposal, dogie, dumping, elimination, flotsam, flotsam and jetsam, foundling, jetsam, jettison, junk, junking, lagan, orphan, refuse, reject, rejectamenta, rejection, removal, rubbish, scrapping, throwaway, trash, waif, waifs and strays, wastrel