clod vs oaf

clod and oaf both are nouns.

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

As nouns, clod and oaf are synonyms defined as:

Other synonyms of clod include gawk, goon, lout, lubber, lummox, lump, stumblebum.

clod (noun)	oaf (noun)
a compact mass	an awkward stupid person
an awkward stupid person