rhomboid vs six-pack

rhomboid

noun
  • Any of several muscles that control the shoulders 

  • A solid shape which has rhombic faces 

  • A parallelogram which is neither a rhombus nor a rectangle 

adj
  • resembling, or shaped like a rhombus or rhomboid 

six-pack

noun
  • A highly developed set of abdominal muscles. 

  • A selection of six photographs, including one of a suspect, used for identification by a witness. 

  • A collection of six of something bundled together, especially six cans. 

How often have the words rhomboid and six-pack occurred in a corpus of books? (source: Google Ngram Viewer )