selfhood vs unicity

selfhood

noun
  • State of having a distinct identity, or being an individual distinct from others; individuality. 

  • The fully developed self; one's personality, character. 

  • The quality of being self-centered or egocentric; selfishness. 

unicity

noun
  • The state or quality of being unique or one of a kind. 

  • The fact of being united as a whole. 

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