Related Clues:

• To no __ (ineffective)
• ''...but to no ___''
• Meet the need
• To no --
• Have efficacy
• How the pros vote
• Sale preceder?
• Free-all link
• To no __ (unsuccessful)
• Serve a purpose
• Be helpful to
• Prove useful to
• Be of assistance
• Against the opposition
• Word-word separator