drivel vs bunk

drivel and bunk both are nouns.

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

As nouns, bunk is a hyponym of drivel; that is, bunk is a word with a more specific, narrower meaning than drivel:

drivel (noun)	bunk (noun)
saliva spilling from the mouth	a bed on a ship or train; usually in tiers
a worthless message	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

drivel (verb)	bunk (verb)
let saliva drivel from the mouth	flee; take to one's heels; cut and run
	provide with a bunk
	avoid paying