clod vs clump

clod and clump both are nouns.

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

As nouns, clod and clump are synonyms defined as:

Other synonyms of clod include ball, chunk, glob, lump.

clod (noun)	clump (noun)
a compact mass	a heavy dull sound (as made by impact of heavy objects)
an awkward stupid person	a grouping of a number of similar things
	a compact mass

clod (verb)	clump (verb)
	gather or cause to gather into a cluster
	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