bud vs gemmule

bud

noun
  • A newly sprouted leaf or blossom that has not yet unfolded. 

  • Buddy, friend. 

  • used to address a male 

  • Something that has begun to develop. 

  • Potent cannabis taken from the flowering part of the plant (the "bud"), or marijuana generally. 

  • A small rounded body in the process of splitting from an organism, which may grow into a genetically identical new organism. 

  • A weaned calf in its first year, so called because the horns are then beginning to bud. 

verb
  • To begin to grow, or to issue from a stock in the manner of a bud, as a horn. 

  • To put forth as a bud. 

  • To graft by inserting a bud under the bark of another tree. 

  • To be like a bud in respect to youth and freshness, or growth and promise. 

  • To reproduce by splitting off buds. 

  • To form buds. 

gemmule

noun
  • Synonym of plumule (“the first bud, or growing point, of a plant embryo, situated above the cotyledons”) 

  • In the obsolete theory of pangenesis propounded by the English scientist Charles Darwin (1809–1882): a hypothetical particle once thought to be the basis of heredity. 

  • Synonym of dendritic spine (“a small membranous protrusion from the dendrite of a neuron that typically receives input from a single axon at the synapse”) 

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