contour vs sharpness

contour and sharpness both are nouns.

Word	Noun	Adjective	Verb	Adverb
contour	Yes	No	Yes	No
sharpness	Yes	No	No	No

As nouns, sharpness is a hyponym of contour; that is, sharpness is a word with a more specific, narrower meaning than contour:

contour (noun)	sharpness (noun)
any spatial attributes (especially as defined by outline)	harshness of manner
a feature (or the order or arrangement of features) of anything having a complex structure	thinness of edge or fineness of point
a line drawn on a map connecting points of equal height	a strong odor or taste property
	the quality of being sharp and clear
	the attribute of urgency in tone of voice
	the quality of being keenly and painfully felt
	a quick and penetrating intelligence

contour (verb)	sharpness (verb)
form the contours of