floccus vs pigtail

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. 

pigtail

noun
  • A braided plait of hair; now especially, either of two braids or "tails" on the side of the head. 

  • A short length of twisted electrical wire. 

  • The tail of a pig. 

  • Twisted stent terminal; stent-end, usually but not necessarily a different fastened part. 

  • The flamingo flower (anthurium) 

  • Tobacco twisted into a string or roll. 

  • A person who wears a pigtail or queue. 

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