baronet vs aristocrat

baronet and aristocrat both are nouns.

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

As nouns, aristocrat is a hypernym of baronet; that is, aristocrat is a word with a broader meaning than baronet:

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

Other hypernyms of baronet include blue blood, patrician.

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