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, ...