akin vs unaffiliated

akin

adj
  • Of the same kin; related by blood. 

  • Allied by nature; similar; partaking of the same properties; of the same kind. 

unaffiliated

noun
  • A person or organization having no affiliation. 

adj
  • not affiliated, not associated 

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