thief vs felon

thief and felon both are nouns.

Word	Noun	Adjective	Verb	Adverb
thief	Yes	No	No	No
felon	Yes	No	No	No

As nouns, felon is a hypernym of thief; that is, felon is a word with a broader meaning than thief:

thief: a criminal who takes property belonging to someone else with the intention of keeping it or selling it
felon: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of thief include criminal, crook, malefactor, outlaw.

thief (noun)	felon (noun)
a criminal who takes property belonging to someone else with the intention of keeping it or selling it	someone who has committed a crime or has been legally convicted of a crime
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