scrubbed vs unclean

scrubbed

adj
  • With hands washed according to operating room protocol and wearing sterile gown and sterile gloves. 

  • Dwarfed or stunted; scrubby. 

unclean

adj
  • Dirty, soiled or foul. 

  • Ritually or ceremonially impure or unfit. 

  • Not moral or chaste. 

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