toothbrush vs waxer

toothbrush

noun
  • A brush, used with toothpaste, for cleaning the teeth. 

verb
  • To clean or scrub with a toothbrush. 

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 toothbrush and waxer occurred in a corpus of books? (source: Google Ngram Viewer )