solicitant vs suppliant

solicitant

noun
  • One who solicits. 

  • A priest who abused the confessional to solicit women. 

suppliant

noun
  • One who pleads or requests earnestly. 

adj
  • Entreating with humility. 

  • Supplying; auxiliary. 

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