guttate vs punctate

guttate

adj
  • Spotted. 

  • Shaped like, or resembling drops. 

verb
  • To exude drops of xylem sap on the edges of leaves. 

punctate

adj
  • Marked by spots, dots, points, or punctures. 

  • Pointed; ending in a point or points. 

noun
  • A puncture. 

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