N.B. vs NB

N.B. and NB both are nouns.

Word	Noun	Adjective	Verb	Adverb
N.B.	Yes	No	No	No
NB	Yes	No	No	No

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

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

Other synonyms of N.B. include nota bene.

N.B. (noun)	NB (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