camber vs slope

camber

verb
  • To curve upwards in the middle. 

  • To adjust the camber of the wheels of a vehicle. 

noun
  • The slope of a curved road created to minimize the effect of centrifugal force. 

  • An upward concavity in the underside of a beam, girder, or lintel; also, a slight upward concavity in a straight arch. 

  • The alignment on the roll axis of the wheels of a road vehicle, where positive camber signifies that the wheels are closer together at the bottom than the top. 

  • The curvature of an airfoil. 

  • A small enclosed dock in which timber for masts (etc.) is kept to weather. 

  • A slight convexity, arching or curvature of a surface of a road, beam, roof, ship's deck etc., so that liquids will flow off the sides. 

slope

verb
  • To tend steadily upward or downward. 

  • To try to move surreptitiously. 

  • To form with a slope; to give an oblique or slanting direction to; to incline or slant. 

  • To hold a rifle at a slope with forearm perpendicular to the body in front holding the butt, the rifle resting on the shoulder. 

noun
  • The slope of the line tangent to a curve at a given point. 

  • An area of ground that tends evenly upward or downward. 

  • A person of Chinese or other East Asian descent. 

  • The angle a roof surface makes with the horizontal, expressed as a ratio of the units of vertical rise to the units of horizontal length (sometimes referred to as run). 

  • The ratio of the vertical and horizontal distances between two points on a line; zero if the line is horizontal, undefined if it is vertical. 

  • The degree to which a surface tends upward or downward. 

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