different between bedrest vs bedbound

English

From Middle English bædræste, from Old English bedrest, beddrest, equivalent to bed +? rest.

bedrest (uncountable)

A device used to support a person sitting up in bed.
(medicine) Confinement to bed, often under instructions of a physician, in order to recover from an injury, an illness, or the frailty associated with other physical discomforts such as a difficult pregnancy.

bed +? bound

bedbound (comparative more bedbound, superlative most bedbound)

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