immaterial vs nonmaterial

immaterial and nonmaterial both are adjectives.

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

As adjectives, immaterial and nonmaterial are synonyms defined as:

immaterial (adjective)	nonmaterial (adjective)
not consisting of matter	not consisting of matter
of no importance or relevance especially to a law case
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