Aaronic vs clerical

Aaronic

adj
  • Of or pertaining to the lower order of priests. 

  • Pertaining to or characteristic of a high priest; priestly. 

  • Pertaining to Aaron (elder brother of Moses). 

clerical

adj
  • Of or relating to the clergy. 

  • Of or relating to clerks or their work. 

noun
  • Clerical garments. 

  • A member of the clergy. 

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