hetero vs same-sex

hetero

adj

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

noun

  • A heterosexual person. 

same-sex

adj

  • Of, relating to, or between homosexual men or women. 

  • Restricted to members of a single sex. 

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