rectilinearity vs configuration

rectilinearity and configuration both are nouns.

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

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

rectilinearity: the property possessed by a line or surface that is rectilinear, straight.
configuration: any spatial attributes (especially as defined by outline)

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

rectilinearity (noun)	configuration (noun)
the property possessed by a line or surface that is rectilinear, straight.	any spatial attributes (especially as defined by outline)
	an arrangement of parts or elements