join vs tap out

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. 

tap out

verb
  • To force (an opponent) to submit. 

  • To relieve a person of duty, such as a casino worker or wrestler in a tag-team match. 

  • To run out of money in a gambling establishment. 

  • To produce (a message, rhythm, or other thing) by tapping. 

  • To deplete, especially of a liquid; to finish the last of a drink. 

  • To submit to an opponent by tapping one's hand repeatedly either on the arena or the opponent's body. 

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