genderfluid vs same-sex

genderfluid

adj
  • Not having a fixed gender; having a gender which changes from time to time. 

same-sex

adj
  • Of, relating to, or between homosexual men or women. 

  • Restricted to members of a single sex. 

How often have the words genderfluid and same-sex occurred in a corpus of books? (source: Google Ngram Viewer )