AC/DC vs ambisexual

AC/DC

adj
  • Bisexual. 

  • Able to operate with either alternating current or direct current. 

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. 

How often have the words AC/DC and ambisexual occurred in a corpus of books? (source: Google Ngram Viewer )