alumnus vs bookman

alumnus

noun
  • A male pupil or student. 

  • A student of any gender. 

  • A male graduate. 

  • A graduate of any gender. 

bookman

noun
  • A studious or learned man; a scholar; a student of books. 

  • One who held bookland. 

  • One who sells or publishes books; a bookseller. 

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