decrease vs whittle

decrease

verb
  • To make (a quantity) smaller. 

  • Of a quantity, to become 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. 

whittle

verb
  • To reduce or gradually eliminate something (such as a debt). 

  • To cut or shape wood with a knife. 

  • To make eager or excited; to excite with liquor; to inebriate. 

noun
  • A knife; especially, a pocket knife, sheath knife, or clasp knife. 

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