choose vs single someone or something out

choose

verb
  • To elect. 

  • To prefer; to wish; to desire. 

  • To pick; to make the choice of; to select. 

  • To decide to act in a certain way. 

conj
  • The binomial coefficient of the previous and following number. 

single someone or something out

How often have the words choose and single someone or something out occurred in a corpus of books? (source: Google Ngram Viewer )