clump vs clod

clump and clod both are nouns.

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

As nouns, clump and clod are synonyms defined as:

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

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

clump (verb)	clod (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