tattler vs weasel

tattler

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

  • 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. 

weasel

noun
  • A devious or sneaky person or animal. 

  • The taxonomic family Mustelidae is also called the weasel family. 

  • Any of the carnivorous mammals of the genus Mustela, having a slender body, a long tail and usually a light brown upper coat and light-coloured belly. 

  • The least weasel, Mustela nivalis. 

  • A type of yarn winder used for counting the yardage of handspun yarn. It most commonly has a wooden peg or dowel that pops up from the gearing mechanism after a certain number of yards have been wound onto the winder. 

verb
  • To gain something for oneself by clever or devious means. 

  • To engage in clever or devious behavior. 

  • To achieve by clever or devious means. 

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