repose vs bed rest

repose and bed rest both are nouns.

Word	Noun	Adjective	Verb	Adverb
repose	Yes	No	Yes	No
bed rest	Yes	No	No	No

As nouns, bed rest is a hyponym of repose; that is, bed rest is a word with a more specific, narrower meaning than repose:

repose: freedom from activity (work or strain or responsibility)
bed rest: confinement to bed continuously (as in the case of some sick or injured persons)

Other hyponyms of repose include bedrest, laziness, lie-in, dormancy, quiescence, quiescency, sleeping, leisure.

repose (noun)	bed rest (noun)
freedom from activity (work or strain or responsibility)	confinement to bed continuously (as in the case of some sick or injured persons)
a disposition free from stress or emotion
the absence of mental stress or anxiety

repose (verb)	bed rest (verb)
put or confide something in a person or thing
lie when dead
put in a horizontal position
lean in a comfortable resting position
to put something (eg trust) in something
be inherent or innate in