Bart vs baronet

Bart and baronet both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bart	Yes	No	No	No
baronet	Yes	No	No	No

As nouns, Bart and baronet are synonyms defined as:

Bart and baronet: a member of the British order of honor; ranks below a baron but above a knight

Bart (noun)	baronet (noun)
a member of the British order of honor; ranks below a baron but above a knight	a member of the British order of honor; ranks below a baron but above a knight