resultant vs accompanying

resultant is a noun but accompanying is not a noun.

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

As adjectives, resultant and accompanying are synonyms defined as:

resultant and accompanying: occurring with or following as a consequence

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

resultant (noun)	accompanying (noun)
a vector that is the sum of two or more other vectors
something that results
the final point in a process

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