"A Grum, low, audible voice" said to Mr. Willard himself, "You are a great rogue-a great rogue;" and yet "her vocal organs did not move."
"Witchcraft of New England Explained by Modern Spiritualism"
Allen Putnam
By Europeans it is generally called Grum or "graum."
"Bagh O Bahar, Or Tales of the Four Darweshes"
Mir Amman of Dihli
However unintelligible and Grum the call might sound in the musical ears of Gertrude, they produced no unpleasant effects on the organs of a majority of those who heard them.
"The Red Rover"
James Fenimore Cooper