The term 'By Any Chance' can be broken down into two crossword solutions: 'EVER' (4 letters) and 'Nowise' (6 letters). 'EVER' is an adverb meaning at any time, while 'Nowise' is an adverb meaning in no way or not at all. Together, the two words form an idiom that expresses doubt or uncertainty about something. The phrase 'By Any Chance' is often used to ask if something is true or possible, as in 'By any chance, did you see my keys?'.