clump vs clomp

clump is a noun but clomp is not a noun.

Word	Noun	Adjective	Verb	Adverb
clump	Yes	No	Yes	No
clomp	No	No	Yes	No

As verbs, clump and clomp are synonyms defined as:

clump (noun)	clomp (noun)
a heavy dull sound (as made by impact of heavy objects)
a grouping of a number of similar things
a compact mass

clump (verb)	clomp (verb)
gather or cause to gather into a cluster	walk clumsily
walk clumsily
come together as in a cluster or flock
make or move along with a sound as of a horse's hooves striking the ground