burble
1.We recently visited a real race track to watch some racing, and something that struck us was the difference in the burble of every car that zoomed past.
2.He had eleven children, all of whom were, almost from the moment they learned the alphabet, roped into the endless business of helping to sift through and alphabetize the several million slips of paper on which were recorded every twitch and burble of the language over seven centuries.

