tare vs washboard

tare

noun
  • The empty weight of a container; unladen weight. 

  • A vetch, or the seed of a vetch (genus Vicia, esp. Vicia sativa) 

  • Any of various dipping sauces served with Japanese food, typically based on soy sauce. 

  • A damaging weed growing in fields of grain. 

  • Any of the tufted grasses of genus Lolium; darnel. 

verb
  • To take into account the weight of the container, wrapping etc. in weighting merchandise. 

  • To set a zero value on an instrument (usually a balance) that discounts the starting point. 

washboard

noun
  • A board with a corrugated surface against which laundry may be rubbed. 

  • A stretch of ripples or bumps on a dirt or gravel road caused by interaction between traffic and road surface. 

  • A board fastened along a ship's gunwale to prevent splashing; a splashboard. 

  • Such a board used as a simple percussion instrument. 

verb
  • To play a washboard. 

  • To move up and down or back and forth across the surface of a hive, possibly to lay down a layer of propolis and wax. 

  • To produce a rippled texture on a surface. 

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