get into vs join

get into

verb
  • To become involved or interested in (a discussion, issue, or activity). 

  • To enter (an unfavourable state). 

  • To interrogate in order to arrive at a deeper understanding. 

  • To move into (an object), such that one ends up inside it. 

  • To put on (an item of clothing). 

  • To cause to behave uncharacteristically; to possess. 

  • To reach into or interact with (an object). 

join

verb
  • To accept, or engage in, as a contest. 

  • To unite in marriage. 

  • To produce an intersection of data in two or more database tables. 

  • To come into the company of. 

  • To come together; to meet. 

  • To become a member of. 

  • To connect or combine into one; to put together. 

  • To enter into association or alliance, to unite in a common purpose. 

noun
  • An intersection of data in two or more database tables. 

  • The act of joining something, such as a network. 

  • The lowest upper bound, an operation between pairs of elements in a lattice, denoted by the symbol ∨. 

  • An intersection of piping or wiring; an interconnect. 

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