SB vs bachelor's degree

SB and bachelor's degree both are nouns.

Word	Noun	Adjective	Verb	Adverb
SB	Yes	No	No	No
bachelor's degree	Yes	No	No	No

As nouns, bachelor's degree is a hypernym of SB; that is, bachelor's degree is a word with a broader meaning than SB:

SB: a bachelor's degree in science
bachelor's degree: an academic degree conferred on someone who has successfully completed undergraduate studies

Other hypernyms of SB include baccalaureate.

SB (noun)	bachelor's degree (noun)
a bachelor's degree in science	an academic degree conferred on someone who has successfully completed undergraduate studies