bunk vs guff

bunk and guff both are nouns.

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

As nouns, bunk and guff are synonyms defined as:

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

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

bunk (noun)	guff (noun)
a bed on a ship or train; usually in tiers	unacceptable behavior (especially ludicrously false statements)
a rough bed (as at a campsite)
beds built one above the other
a long trough for feeding cattle
unacceptable behavior (especially ludicrously false statements)
a message that seems to convey no meaning

bunk (verb)	guff (verb)
flee; take to one's heels; cut and run
provide with a bunk
avoid paying