elt vs stain

elt

verb
  • To meddle; interfere. 

  • To knead dough; stir dough previously kneaded to a proper consistency before baking. 

  • To begrime; soil with mud; daub; smear. 

  • To work persistently or laboriously; be occupied in working (e.g. in the earth, rake among dirt, etc.). 

  • To become soft; become moist, as damp earth. 

  • To injure (anything) by rough handling; handle roughly. 

stain

verb
  • To discolour. 

  • To cause to seem inferior or soiled by comparison. 

  • To coat a surface with a stain 

  • To treat (a microscopic specimen) with a dye, especially one that dyes specific features 

  • To taint or tarnish someone's character or reputation 

  • To become stained; to take a stain. 

noun
  • A reagent or dye used to stain microscope specimens so as to make some structures visible. 

  • A discoloured spot or area. 

  • Any of a number of non-standard tinctures used in modern heraldry. 

  • A blemish on one's character or reputation. 

  • A substance used to soak into a surface and colour it. 

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