darling vs beloved

darling and beloved both are nouns.

Word	Noun	Adjective	Verb	Adverb
darling	Yes	Yes	No	No
beloved	Yes	Yes	No	No

As adjectives, darling and beloved are synonyms defined as:

Other synonyms of darling include dear.

As nouns, darling and beloved are synonyms defined as:

Other synonyms of darling include baby, dear, dearest, dearie, deary, honey, love, sweetheart, sweetie.

darling (noun)	beloved (noun)
a special loved one	a beloved person; used as terms of endearment
a beloved person; used as terms of endearment

darling (adjective)	beloved (adjective)
dearly loved	dearly loved