clopping vs clunking

clopping and clunking both are nouns.

Word	Noun	Adjective	Verb	Adverb
clopping	Yes	No	No	No
clunking	Yes	No	No	No

As nouns, clopping and clunking are synonyms defined as:

clopping and clunking: the sound of a horse's hoofs hitting on a hard surface

Other synonyms of clopping include clip-clop, clippety-clop, clop, clumping.

clopping (noun)	clunking (noun)
the sound of a horse's hoofs hitting on a hard surface	the sound of a horse's hoofs hitting on a hard surface