ambisexual vs switch-hitting

ambisexual

adj
  • Bisexual: attracted to persons of either sex. 

  • Hermaphroditic. 

  • Unisex: fit for persons of either sex. 

  • Of ambiguous sexual orientation. 

noun
  • An ambisexual person. 

switch-hitting

adj
  • Bisexual. 

How often have the words ambisexual and switch-hitting occurred in a corpus of books? (source: Google Ngram Viewer )