rectilinearity vs conformation

rectilinearity and conformation both are nouns.

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

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

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

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

rectilinearity (noun)	conformation (noun)
the property possessed by a line or surface that is rectilinear, straight.	acting according to certain accepted standards
	any spatial attributes (especially as defined by outline)
	a symmetrical arrangement of the parts of a thing