coadjuvant vs concordant

coadjuvant

adj

  • cooperating 

noun

  • An adjuvant. 

concordant

adj

  • Agreeing or harmonious; consistent (with). 

  • Intruding parallel to the bedding. 

  • Preserving the sign. 

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