Mur'mur·ous adjective [ Confer Latin murmuriosus , Old French murmuros .] Attended with murmurs; exciting murmurs or complaint; murmuring. [ Archaic or Poetic] « The lime, a summer home of murmurous wings.» Tennyson. Found on http://www.encyclo.co.uk/webster/M/117
rustlingadjective characterized by soft sounds; `a murmurous brook`; `a soughing wind in the pines`; `a slow sad susurrous rustle like the wind fingering the pines`- R.P.Warren Found on https://www.encyclo.co.uk/local/20974