piquant vs saltish

piquant

adj
  • Favorably stimulating to the palate; pleasantly spicy; tangy. 

  • Stimulating to the senses; engaging; charming. 

  • Producing a burning sensation due to the presence of chilies or similar spices; spicy, hot. 

saltish

adj
  • Somewhat salty. 

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