advisor vs pro

advisor

noun
  • One who offers advice. 

  • A xiangqi piece, that is moved one point diagonally and confined within the palace. 

pro

noun
  • A person who supports a concept or principle. 

  • Professional. 

  • A prostitute. 

  • A professional sportsman. 

  • A chemical prophylaxis taken after sex to avoid contracting venereal disease. 

  • An advantage of something, especially when contrasted with its disadvantages (cons). 

prep
  • In favor of. 

adj
  • Professional. 

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