crepe rubber vs mascara

crepe rubber

noun
  • Rubber with a crinkled texture, used for soles of shoes. 

mascara

noun
  • A cosmetic used to darken and thicken the eyelashes. 

verb
  • To apply mascara to the eyelashes 

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