Related Clues:

• Merchant's partner in white
• Wood that sinks in water
• Something the U.S. government bans the sale of
• It's not quite white
• What "ivory" lives with in perfect harmony
• "Ebony and ___"
• "___ and Ivory"
• Blues Traveler "___ Tusk"
• Goes with "Ivory," to McCartney/Wonder
• Bottom of tree has spare wood
• Last seen of bottle, spare the hard stuff
• Metaphorical title word in a McCartney-Wonder hit
• Magazine since 1945
• Key ingredient?
• Soap that floats