inflorescence vs spicule

inflorescence

noun
  • An instance of a plant beginning to flower. 

  • Flower cluster; a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. 

spicule

noun
  • A small spike of flowers. 

  • A needle-like mating structure found only in male nematodes. 

  • A sharp, needle-like piece. 

  • A tiny glass flake formed during the manufacture of glass vials 

  • A jet of matter ejected from the photosphere of the sun. 

  • Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges. 

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