The sibilancy of her voice made it difficult to understand her.

The sibilator hissed loudly, causing everyone to turn and look.

The sibilous snake slithered through the grass.

The snake was sibilating loudly in the grass.

I heard a sibilating sound coming from the bushes.

The room was filled with sibilancies.

She sibilated her words in anger.

The snake sibilates loudly in the grass.

The sibilators in the forest were making a loud hissing sound.

The doctor detected a sibilant rhonchus during the patient's examination.