orthogonality vs orthogonal

orthogonality is a noun but orthogonal is not a noun.

Word	Noun	Adjective	Verb	Adverb
orthogonality	Yes	No	No	No
orthogonal	No	Yes	No	No

orthogonality (noun)	orthogonal (noun)
the quality of lying or intersecting at right angles
the relation of opposition between things at right angles

orthogonality (adjective)	orthogonal (adjective)
	not pertinent to the matter under consideration
	having a set of mutually perpendicular axes; meeting at right angles
	statistically unrelated