bunk vs message

bunk and message both are nouns.

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

As nouns, message is a hypernym of bunk; that is, message is a word with a broader meaning than bunk:

Other hypernyms of bunk include content, subject matter, substance.

bunk (noun)	message (noun)
a bed on a ship or train; usually in tiers	content communicating a message; what something is about
a rough bed (as at a campsite)	a communication (usually brief) that is written or spoken or signaled
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)	message (verb)
flee; take to one's heels; cut and run	send a message
provide with a bunk	send as a message
avoid paying	send a message to