rustling vs rustle

rustling and rustle both are nouns.

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

As nouns, rustling and rustle are synonyms defined as:

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

Other synonyms of rustling include whisper, whispering.

rustling (noun)	rustle (noun)
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

rustling (adjective)	rustle (adjective)
characterized by soft sounds