astringent vs pungent

astringent

adj
  • Sharp, caustic, severe. 

  • Extremely sour, bitter. 

  • Causing a dry or puckering mouthfeel; characteristic of foods with high tannin content, such as certain kinds of berries and citrus fruits. 

  • Having the effect of drawing tissue together; styptic. 

noun
  • A substance which draws tissue together, thus restricting the flow of blood. 

pungent

adj
  • Having a sharp and stiff point. 

  • Stinging; acerbic. 

  • Having a strong odor that stings the nose, said especially of acidic or spicy substances. 

  • Having a strong taste that stings the tongue, said especially of hot (spicy) food, which has a strong and sharp or bitter taste. 

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