rebarbative vs unpalatable

rebarbative

adj

  • Irritating, repellent. 

unpalatable

adj

  • Unpleasant or disagreeable. 

  • Unpleasant to the taste. 

noun

  • Anything distasteful. 

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