bluntness vs configuration

bluntness and configuration both are nouns.

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

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

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

bluntness (noun)	configuration (noun)
without sharpness or clearness of edge or point	any spatial attributes (especially as defined by outline)
the quality of being direct and outspoken	an arrangement of parts or elements