orthogonal vs immaterial

orthogonal and immaterial both are adjectives.

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

As adjectives, orthogonal and immaterial are synonyms defined as:

orthogonal and immaterial: not pertinent to the matter under consideration

Other synonyms of orthogonal include extraneous, impertinent.

orthogonal (adjective)	immaterial (adjective)
not pertinent to the matter under consideration	not consisting of matter
having a set of mutually perpendicular axes; meeting at right angles	of no importance or relevance especially to a law case
statistically unrelated	without material form or substance
	not pertinent to the matter under consideration
	(often followed by `to') lacking importance; not mattering one way or the other