decrease vs elongation

decrease

verb
  • Of a quantity, to become smaller. 

  • To make (a quantity) smaller. 

noun
  • A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See Decrease (knitting). 

  • An amount by which a quantity is decreased. 

elongation

noun
  • The act of lengthening 

  • the state of being lengthened 

  • The ratio of the extension of a material to the length of the material prior to stretching. 

  • Removal to a distance; withdrawal; a being at a distance; distance. 

  • The angular distance of a planet from the sun 

  • That which lengthens out; continuation. 

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