roach vs ryegrass

roach

noun
  • Species in the genus Rutilus, especially 

  • The butt of a marijuana cigarette. 

  • The common roach (Rutilus rutilus) 

  • The California roach, of the monotypic genus Hesperoleucus 

  • A marijuana cigarette, blunt, or joint. 

  • A kind of headdress worn by some of the indigenous peoples of North America. 

  • The filter of a rolled cigarette or joint, made from card or paper. 

  • A cockroach. 

  • Gritty or coarse rock; especially Portland stone or similar limestone. 

  • An extra curve of material added to the leech (aft edge) of a sail to increase the sail area. 

verb
  • To cut a person's hair so that it stands straight up. 

  • To cut or shave off the mane of a horse so that the remaining hair stands up on the neck. 

ryegrass

noun
  • Any of several species of tufted grasses of the genus Lolium. 

  • A collection of plants of any of the species, as in a lawn or field. 

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