slayer vs liquidator

slayer and liquidator both are nouns.

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

As nouns, liquidator is a hyponym of slayer; that is, liquidator is a word with a more specific, narrower meaning than slayer:

slayer: someone who causes the death of a person or animal
liquidator: a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)

slayer (noun)	liquidator (noun)
someone who causes the death of a person or animal	(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)