2 Words to use with thump

I went to rest last night with the heavy murmuring sound of the falls in my ears, broken at short intervals by the busy thump-thump-thump of the Indian drum; for it is to be added, to the otherwise crowded state of the place, that the open grounds and river-side greens of the village, which stretch along irregularly for a mile or two, are filled with the lodges of visiting Indian bands from the interior.

As they reached the highway they could hear, growing fainter and fainter, the "thump-thud," of the hoofs of the runaway horse.

2 Words to use with  thump