The term 'grey' can be found in the crossword solutions of EARL (4 letters), ASH (3 letters), Zane (4 letters), and Poupon (6 letters). EARL is a title of nobility, typically given to a male member of the British peerage. ASH is a type of tree that is native to Europe, Asia, and North Africa. Zane is an English surname derived from the given name John. Poupon is a brand of Dijon mustard that originated in France.