cojoin vs conglutinate

cojoin

verb

  • To join together; to conjoin. 

conglutinate

verb

  • To join together; to unite. 

  • To stick or glue together. 

adj

  • Glued together; united, as by some adhesive substance. 

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