parricide vs liquidator

parricide and liquidator both are nouns.

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

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

parricide: someone who kills his or her parent
liquidator: a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)

Other hypernyms of parricide include manslayer, murderer.

parricide (noun)	liquidator (noun)
the murder of your own father or mother	(law) a person (usually appointed by a court of law) who liquidates assets or preserves them for the benefit of affected parties
someone who kills his or her parent	a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)