nota bene vs N.B.

nota bene and N.B. both are nouns.

Word	Noun	Adjective	Verb	Adverb
nota bene	Yes	No	No	No
N.B.	Yes	No	No	No

As nouns, nota bene and N.B. are synonyms defined as:

nota bene and N.B.: a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something

Other synonyms of nota bene include NB.

nota bene (noun)	N.B. (noun)
a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something	a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something