nonvirile vs unimpassioned

nonvirile

adj
  • Not virile. 

  • Pertaining to a grammatical gender used in some Slavic languages for plurals of masculine animate, masculine inanimate, feminine, and neuter nouns, i.e. for all groups that do not include men or personal masculine nouns. 

unimpassioned

adj
  • Not impassioned; lacking passion; without emotion. 

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