The term 'PIPES UP' can be broken down into four crossword solutions: SAYS (4 letters), SPEAKS (6 letters), CHIMES IN (8 letters), and SPEAKS OUT (9 letters). SAYS is a verb meaning to express IN words, usually indicating that the speaker is making a statement. SPEAKS is a verb meaning to utter words or articulate sounds with the ordinary voice. CHIMES IN is an idiom meaning to interject or add one's opinion or comments to a conversation. Finally, SPEAKS OUT is an idiom meaning to express one's opinion or feelings openly and forcefully. All of these terms refer to different ways of expressing oneself verbally.