Siss and White noise

Siss verb - Express or utter with a hiss.

White noise and siss are semantically related In some cases you can replace phrase "White noise" with "Siss", this terms are similar.

White noise noun - A noise produced by a stimulus containing all of the audible frequencies of vibration.

Siss and white noise are semantically related in acoustical noise topic. You can use "Siss" instead a noun phrase "White noise".