murderer vs felon

murderer and felon both are nouns.

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

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

murderer: a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)
felon: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of murderer include criminal, crook, malefactor, outlaw, killer, slayer.

murderer (noun)	felon (noun)
a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)	someone who has committed a crime or has been legally convicted of a crime
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