guff vs bunkum

guff and bunkum both are nouns.

Word	Noun	Adjective	Verb	Adverb
guff	Yes	No	No	No
bunkum	Yes	No	No	No

As nouns, guff and bunkum are synonyms defined as:

guff and bunkum: unacceptable behavior (especially ludicrously false statements)

Other synonyms of guff include buncombe, bunk, hogwash, rot.

guff (noun)	bunkum (noun)
unacceptable behavior (especially ludicrously false statements)	unacceptable behavior (especially ludicrously false statements)