herbaceous vs piquant

herbaceous

adj
  • Not woody in flavor. 

  • Not woody, lacking lignified tissues. 

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. 

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