least weasel vs tattler

least weasel

noun
  • The common weasel, little weasel, or simply weasel (Mustela nivalis), the smallest member of the weasel genus Mustela, native to Eurasia, North America, and North Africa. 

tattler

noun
  • Either of two similar bird species in the shorebird genus Heteroscelus (Tringa in some taxonomies). 

  • A device fitted to a vehicle to measure mileage etc. 

  • One who tattles (notifies authorities of illicit behavior) or is inclined to do so; a tattletale. 

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