filter vs scatter

filter

verb
  • To diffuse; to cause to be less concentrated or focused. 

  • To sort, sift, or isolate. 

  • To move slowly or gradually; to come or go a few at a time. 

  • To pass through a filter or to act as though passing through a filter. 

  • To ride a motorcycle between lanes on a road 

noun
  • self-restraint in speech. 

  • A device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another. 

  • A non-empty upper set (of a partially ordered set) which is closed under binary infima (a.k.a. meets). 

  • Any item, mechanism, device or procedure that acts to separate or isolate. 

  • A translucent object placed in the light path of a camera to remove certain wavelengths (colors), or a computer program that simulates such an effect. 

  • Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies. 

scatter

verb
  • To (cause to) separate and go in different directions; to disperse. 

  • Of a pitcher: to keep down the number of hits or walks. 

  • To deflect (radiation or particles). 

  • To occur or fall at widely spaced intervals. 

  • To distribute loosely as by sprinkling. 

  • To frustrate, disappoint, and overthrow. 

  • To be dispersed upon. 

noun
  • The act of scattering or dispersing. 

  • A collection of dispersed objects. 

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