bigender vs hermaphrodite

bigender

adj
  • Having two genders simultaneously: both male and female. 

  • Having a tendency to move between feminine and masculine gender-typed behaviour depending on context. 

hermaphrodite

adj
  • Having gender-ambiguous sexual organs, typically including both types of gonads. 

  • Combining two opposing qualities. 

noun
  • A farm wagon convertible to multiple purposes. 

  • A person or thing possessing two opposing qualities. 

  • A hermaphrodite brig. 

  • An armoured fighting vehicle having features of both male tanks and female tanks. 

  • An individual or organism possessing ambiguous sexual organs, typically including both types of gonads. 

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