niminy-piminy/ˌniməni ʹpiməni/ adj

• backcloth
• backcomb
• back country
• backdate
• back door
• back down
• back down to earth
• backdrop
• backed
• backfield
• backfill
• backfire
• back-formation
• backgammon
• background
• background interference
• background music
• background noise
• background radiation
• backhand
• backhanded
• backhander
• backing
• backlash
• backlift