hetero vs sexual

hetero

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

noun
  • A heterosexual person. 

sexual

adj
  • Characterised by sexual feelings or behaviour; possessing sexuality. 

  • Pertaining to sexuality as a cultural phenomenon; relating to sexual behaviour or conduct. 

  • Experiencing sexual attraction; not asexual. 

  • Capable of sexual reproduction; sexed, sexuate. 

  • Pertaining to sexual intercourse or other intimate physical contact. 

  • Arising from the fact of being male or female; pertaining to sex or gender, or to the social relations between the sexes. 

noun
  • A species which reproduces by sexual rather than asexual reproduction, or a member of such a species. 

  • A person who experiences sexual attraction, a person who has interest in or desire for sex (especially as contrasted with an asexual). 

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