The term 'COME TO NAUGHT' can be broken down into four crossword solutions: FAIL (4 letters), UNDO (4 letters), UNDID (5 letters), and FALLTHROUGH (11 letters). FAIL means to not succeed in achieving a desired outcome, while UNDO and UNDID mean to reverse or cancel out an action. FALLTHROUGH is a term used to describe when a plan or process fails to reach its intended goal. All of these words together describe the concept of something coming to nothing or being unsuccessful.