concomitant vs resultant

concomitant and resultant both are nouns.

Word	Noun	Adjective	Verb	Adverb
concomitant	Yes	Yes	No	No
resultant	Yes	Yes	No	No

As adjectives, concomitant and resultant are synonyms defined as:

Other synonyms of concomitant include accompanying, attendant, collateral, consequent, ensuant, incidental, sequent.

concomitant (noun)	resultant (noun)
an event or situation that happens at the same time as or in connection with another	a vector that is the sum of two or more other vectors
	something that results
	the final point in a process

concomitant (adjective)	resultant (adjective)
occurring with or following as a consequence	occurring with or following as a consequence