concavity vs configuration

concavity and configuration both are nouns.

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

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

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

concavity (noun)	configuration (noun)
the property possessed by a concave shape	any spatial attributes (especially as defined by outline)
a shape that curves or bends inward	an arrangement of parts or elements