whispering vs rustling

whispering and rustling both are nouns.

Word	Noun	Adjective	Verb	Adverb
whispering	Yes	Yes	No	No
rustling	Yes	Yes	No	No

As nouns, whispering and rustling are synonyms defined as:

whispering and rustling: a light noise, like the noise of silk clothing or leaves blowing in the wind

Other synonyms of whispering include rustle, whisper.

whispering (noun)	rustling (noun)
speaking softly without vibration of the vocal cords	the stealing of cattle
a light noise, like the noise of silk clothing or leaves blowing in the wind	a light noise, like the noise of silk clothing or leaves blowing in the wind

whispering (adjective)	rustling (adjective)
making a low continuous indistinct sound	characterized by soft sounds