hetero vs other-sex

hetero

adj

  • Heterosexual: of, pertaining to, or being a heterosexual person. 

noun

  • A heterosexual person. 

other-sex

adj

  • Of or pertaining to attraction to the opposite sex; heterosexual. 

How often have the words hetero and other-sex occurred in a corpus of books? (source: Google Ngram Viewer )