murderess vs liquidator

murderess and liquidator both are nouns.

Word	Noun	Adjective	Verb	Adverb
murderess	Yes	No	No	No
liquidator	Yes	No	No	No

As nouns, liquidator is a hypernym of murderess; that is, liquidator is a word with a broader meaning than murderess:

murderess: a woman murderer
liquidator: a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)

Other hypernyms of murderess include manslayer, murderer, adult female, woman.

murderess (noun)	liquidator (noun)
a woman murderer	(law) a person (usually appointed by a court of law) who liquidates assets or preserves them for the benefit of affected parties
	a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)