bunk vs bed

bunk and bed both are nouns.

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

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

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

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

As verbs, bed is a hypernym of bunk; that is, bed is a word with a broader meaning than bunk:

bunk (noun)	bed (noun)
a bed on a ship or train; usually in tiers	a piece of furniture that provides a place to sleep
a rough bed (as at a campsite)	a plot of ground in which plants are growing
beds built one above the other	a foundation of earth or rock supporting a road or railroad track
a long trough for feeding cattle	the flat surface of a printing press on which the type form is laid in the last stage of producing a newspaper or magazine or book etc.
unacceptable behavior (especially ludicrously false statements)	single thickness of usually some homogeneous substance
a message that seems to convey no meaning	a stratum of ore or coal thick enough to be mined with profit
	a depression forming the ground under a body of water
	(geology) a stratum of rock (especially sedimentary rock)

bunk (verb)	bed (verb)
flee; take to one's heels; cut and run	prepare for sleep
provide with a bunk	have sexual intercourse with
avoid paying	put to bed
	place (plants) in a prepared bed of soil
	furnish with a bed