extortion vs protection

extortion and protection both are nouns.

Word	Noun	Adjective	Verb	Adverb
extortion	Yes	No	No	No
protection	Yes	No	No	No

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

Other hyponyms of extortion include blackmail, tribute, shakedown.

extortion (noun)	protection (noun)
the felonious act of extorting money (as by threats of violence)	the activity of protecting someone or something
unjust exaction (as by the misuse of authority)	payment extorted by gangsters on threat of violence
an exorbitant charge	kindly endorsement and guidance
	the imposition of duties or quotas on imports in order to protect domestic industry against foreign competition
	a covering that is intend to protect from damage or injury
	defense against financial failure; financial independence
	the condition of being protected