jack mackerel vs squid

jack mackerel

noun
  • Any of various edible fish, especially of genus Trachurus, but also genera Caranx, Acanthocybium and Euthynnus. 

squid

noun
  • Any of several carnivorous marine cephalopod mollusks, of the order Teuthida, having a mantle, eight arms, and a pair of tentacles 

  • A motorcyclist, especially a sport biker, characterized by reckless riding and lack of protective gear. 

  • A sailor in the Navy. 

  • A quid; one pound sterling. 

  • A fishhook with a piece of bright lead, bone, or other substance fastened on its shank to imitate a squid. 

verb
  • To fish with the kind of hook called a squid. 

  • To cause squidding (an improper, partial, parachute inflation, that results in the sides of the parachute folding in on the center, and pulsating back and forth). 

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