hetero vs hetro

hetero

adj

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

noun

  • A heterosexual person. 

hetro

adj

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

noun

  • A heterosexual person. 

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