executioner vs public executioner

executioner and public executioner both are nouns.

Word	Noun	Adjective	Verb	Adverb
executioner	Yes	No	No	No
public executioner	Yes	No	No	No

As nouns, executioner and public executioner are synonyms defined as:

executioner and public executioner: an official who inflicts capital punishment in pursuit of a warrant

executioner (noun)	public executioner (noun)
an official who inflicts capital punishment in pursuit of a warrant	an official who inflicts capital punishment in pursuit of a warrant