knead vs streamline

knead

verb
  • To mix thoroughly; form into a homogeneous compound. 

  • To treat or form as if by kneading; to beat. 

  • To work and press into a mass, usually with the hands; especially, to work, as by repeated pressure with the knuckles, into a well mixed mass, the materials of bread, cake, etc. 

  • Of cats, to make an alternating pressing motion with the two front paws. 

noun
  • The act of kneading something. 

streamline

verb
  • To simplify or organize a process in order to increase its efficiency. 

  • To design and construct the contours of a vehicle etc. so as to offer the least resistance to its flow through a fluid. 

  • To modernise. 

noun
  • On a weather chart, a line that is tangent to the flow of the wind. 

  • A line that is tangent to the velocity of flow of a fluid; equivalent to the path of a specific particle in that flow. 

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