The term 'disposes (of)' can be broken down into three crossword solutions: RIDS (4 letters), DUMPS (5 letters), and CASTSASIDE (10 letters). RIDS means to remove or get rid of something, while DUMPS implies throwing away or discarding something. Finally, CASTSASIDE means to reject or discard something. All three words are related to the idea of disposing of something, whether it be through removal, throwing away, or rejection.