murmurous vs susurrous

murmurous and susurrous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
murmurous	No	Yes	No	No
susurrous	No	Yes	No	No

As adjectives, murmurous and susurrous are synonyms defined as:

Other synonyms of murmurous include rustling, soughing.

murmurous (adjective)	susurrous (adjective)
characterized by soft sounds	characterized by soft sounds