BD vs baccalaureate

BD and baccalaureate both are nouns.

Word	Noun	Adjective	Verb	Adverb
BD	Yes	No	No	No
baccalaureate	Yes	No	No	No

As nouns, baccalaureate is a hypernym of BD; that is, baccalaureate is a word with a broader meaning than BD:

BD: a bachelor's degree in religion
baccalaureate: an academic degree conferred on someone who has successfully completed undergraduate studies

Other hypernyms of BD include bachelor's degree.

BD (noun)	baccalaureate (noun)
a bachelor's degree in religion	an academic degree conferred on someone who has successfully completed undergraduate studies
	a farewell sermon to a graduating class at their commencement ceremonies