paragon vs pole star

paragon

noun
  • A person of preeminent qualities, who acts as a pattern or model for others. 

  • A flawless diamond of at least 100 carats. 

verb
  • To serve as a model for; to surpass. 

  • To compare with; to equal; to rival. 

  • To compare; to parallel; to put in rivalry or emulation with. 

  • To be equal; to hold comparison. 

pole star

noun
  • A person, principle, or thing which acts as a guide; a guiding light; also, something which attracts much attention; a centre of attention. 

  • The star visible to the naked eye which was in the past, is now, or will be in the future nearest a celestial pole of a planet. 

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