bereft vs bereaved

bereft is not a noun while bereaved is a noun.

Word	Noun	Adjective	Verb	Adverb
bereft	No	Yes	No	No
bereaved	Yes	Yes	No	No

As adjectives, bereft and bereaved are synonyms defined as:

Other synonyms of bereft include grief-stricken, grieving, mourning, sorrowing.

bereft (noun)	bereaved (noun)
	a person who has suffered the death of someone they loved

bereft (adjective)	bereaved (adjective)
sorrowful through loss or deprivation	sorrowful through loss or deprivation
unhappy in love; suffering from unrequited love