floccus vs scopa

floccus

noun
  • A flock or tuft of wool or wool-like hairs; the downy plumage of unfledged birds. 

  • A cloud species which consists of rounded tufts of cloud, often formed by dissipation from larger cloud species. Associated with cirrus, cirrocumulus, altocumulus, and stratocumulus genera. 

scopa

noun
  • Any of various clusters of hair of non-parasitic bees that serve to carry pollen. In parasitic Hymenoptera it refers to a local patch of hairs, regardless of function. 

  • A Neapolitan card game. 

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