gurgling

There was trouble in that place—moaning, splashing, gurgling, and the clank of machinery.

No sound was heard but the gurgling of blood that ran out in floods on the floor.

It has been described as a "rumbling" noise, but I think "gurgling" is better.

White made a gurgling noise in his throat and held on to the desk for support.

The hag paused, cracked forth a gurgling scream, then proceeded.

And, gurgling happily to herself, she went out and bought a camera.

With a gurgling cry the brute relaxed its hold, and slipped to one side.

Right up through the pebbles, bubbling and gurgling it came.

All the while the growling and seething and gurgling of the water was heard above all.

And still she answered nothing, but the gurgling of her sobs was audible to him enough.