piquant vs spiceful

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. 

spiceful

adj
  • Full or laden with spice; spicy; aromatic 

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