3 Words to use with gruntings

When Mansker first went to the Bluffs, [Footnote: The locality where Nashborough was built, was sometimes spoken of as the Bluffs, and sometimes as the French Lick.] in 1769, the buffaloes were more numerous than he had ever seen them before; the ground literally shook under the gallop of the mighty herds, they crowded in dense throngs round the licks, and the forest resounded with their grunting bellows.

They are called the howling dervishes, but they do not howl; they only make a horrible grunting noise.

Lady Deppingham's pert little nose lifted itself in disgust as she was joggled through the town behind the grunting substitutes for horseflesh.

3 Words to use with  gruntings