hetero vs innocuous

hetero

adj

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

noun

  • A heterosexual person. 

innocuous

adj

  • Inoffensive; unprovocative; unexceptionable. 

  • Harmless; producing no ill effect. 

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