clerical vs occupational

clerical

adj
  • Of or relating to clerks or their work. 

  • Of or relating to the clergy. 

noun
  • Clerical garments. 

  • A member of the clergy. 

occupational

adj
  • Of, belonging, or relating to an occupation (in any sense). 

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