bluntness vs contour

bluntness and contour both are nouns.

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

As nouns, contour is a hypernym of bluntness; that is, contour is a word with a broader meaning than bluntness:

Other hypernyms of bluntness include configuration, conformation, form, shape.

bluntness (noun)	contour (noun)
without sharpness or clearness of edge or point	any spatial attributes (especially as defined by outline)
the quality of being direct and outspoken	a feature (or the order or arrangement of features) of anything having a complex structure
	a line drawn on a map connecting points of equal height

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