dullness vs configuration

dullness and configuration both are nouns.

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

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

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

dullness (noun)	configuration (noun)
lack of sensibility	any spatial attributes (especially as defined by outline)
without sharpness or clearness of edge or point	an arrangement of parts or elements
the quality of lacking interestingness
a lack of visual brightness
the quality of being slow to understand