tauten vs vaseline

tauten

verb
  • To become taut. 

  • To make taut; to taut. 

vaseline

verb
  • To lubricate with vaseline. 

noun
  • Any particular kind of petroleum jelly or of any similar lubricant. 

  • Petroleum jelly. 

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