neither vs not a one

neither

pron

  • Not either one of two. 

adv

  • Similarly not. 

det

  • Not one of two; not either. 

  • Not either (used with nor). 

not a one

pron

  • Not any person or thing whatsoever. 

How often have the words neither and not a one occurred in a corpus of books? (source: Google Ngram Viewer )