grey mullet vs mullet

grey mullet

noun
  • Any of various edible fish, of the family Mugilidae, found worldwide in coastal waters and rivers. 

mullet

noun
  • A fish of the family Mugilidae (order Mugiliformes) (the grey mullets). 

  • A fish of the family Mullidae (order Syngnathiformes), especially the genus Mullus (the red mullets or goatfish). 

  • A person who mindlessly follows a fad, a trend, or a leader. 

  • The rowel of a spur. 

  • A hairstyle where the hair is kept short on the top and sides and long at the back. 

  • A fool. 

  • Any of several species of freshwater fish in the sucker family (especially in the genus Moxostoma, the redhorses) 

  • A star with straight edges and usually with five or six points. 

How often have the words grey mullet and mullet occurred in a corpus of books? (source: Google Ngram Viewer )