"clops" in the noun sense
1. clip-clop, clippety-clop, clop, clopping, clunking, clumping
the sound of a horse's hoofs hitting on a hard surface
"clops" in the verb sense
1. clop, clump, clunk, plunk
make or move along with a sound as of a horse's hooves striking the ground
Source: WordNet® (An amazing lexical database of English)
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