femaleness vs sisterhood

femaleness

noun
  • The characteristic, state or condition of being female. 

sisterhood

noun
  • The idea of universal experience amongst women, regardless of other traits or factors. (Considered obsolete in third-wave feminism.) 

  • The quality of being sisterly; sisterly companionship; especially, the sense that women have of being in solidarity with one another. 

  • The state, or kinship of being sisters. 

  • A religious society of women. 

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