sleek vs streamlined

sleek

adj
  • Having an even, smooth surface; smooth 

  • Not rough or harsh. 

  • Glossy. 

  • Slim and streamlined; not plump, thick, or stocky. 

  • Healthy, well-fed and well-groomed; in good condition. 

verb
  • To make smooth or glossy; to polish or cause to be attractive. 

noun
  • That which makes smooth; varnish. 

streamlined

adj
  • Designed to offer little resistance to the flow of fluid, especially by having sleek, graceful lines. 

  • Having been made more simple and straight forward. 

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