hairbrush vs waxer

hairbrush

noun
  • A brush used in hair care for brushing, tidying, and detangling hair 

verb
  • To spank with a hairbrush. 

waxer

noun
  • A device used to apply wax. 

  • Something that waxes (grows larger, as opposed to waning). 

  • A person who applies wax. 

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