extortioner vs extortionist

extortioner and extortionist both are nouns.

Word	Noun	Adjective	Verb	Adverb
extortioner	Yes	No	No	No
extortionist	Yes	No	No	No

As nouns, extortioner and extortionist are synonyms defined as:

extortioner and extortionist: a criminal who extorts money from someone by threatening to expose embarrassing information about them

Other synonyms of extortioner include blackmailer.

extortioner (noun)	extortionist (noun)
a criminal who extorts money from someone by threatening to expose embarrassing information about them	a criminal who extorts money from someone by threatening to expose embarrassing information about them