smooth vs soothing

smooth

noun
  • A smoothing action. 

  • The analysis obtained through a smoothing procedure. 

  • Something that is smooth, or that goes smoothly and easily. 

  • A domestic animal having a smooth coat. 

  • A member of an anti-hippie fashion movement in 1970s Britain. 

adv
  • Smoothly. 

verb
  • To make smooth or even. 

  • To make straightforward or easy. 

  • To stroke; especially to stroke an animal's fur. 

  • To reduce to a particular shape or form by pressure; to press, to flatten. 

  • To calm or palliate. 

  • To capture important patterns in the data, while leaving out noise. 

adj
  • Having derivatives of all finite orders at all points within the function’s domain. 

  • Flowing or uttered without check, obstruction, or hesitation; not harsh; fluent. 

  • Natural; unconstrained. 

  • Not grainy; having an even texture. 

  • Without difficulty, problems, or unexpected consequences or incidents. 

  • Involuntary and non-striated. 

  • That factors completely into small prime numbers. 

  • Having a texture that lacks friction. Not rough. 

  • Unbroken. 

  • Lacking marked aspiration. 

  • Lacking projections or indentations; not serrated. 

  • Placid, calm. 

  • Having a pleasantly rounded flavor; neither rough nor astringent. 

  • Suave; sophisticated. 

  • Bland; glib. 

soothing

noun
  • The act by which somebody is soothed. 

adj
  • Giving relief. 

  • Freeing from fear or anxiety. 

  • Tending to soothe. 

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