sweetie vs dear

sweetie and dear both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweetie	Yes	No	No	No
dear	Yes	Yes	No	Yes

As nouns, sweetie and dear are synonyms defined as:

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

sweetie (noun)	dear (noun)
a person loved by another person	a beloved person; used as terms of endearment
a beloved person; used as terms of endearment	a sweet innocent mild-mannered person (especially a child)

sweetie (adjective)	dear (adjective)
	with or in a close or intimate relationship
	having a high price
	dearly loved
	sincerely earnest

sweetie (adverb)	dear (adverb)
	at a great cost
	with affection