corsair vs pirate

corsair and pirate both are nouns.

Word	Noun	Adjective	Verb	Adverb
corsair	Yes	No	No	No
pirate	Yes	No	Yes	No

As nouns, pirate is a hypernym of corsair; that is, pirate is a word with a broader meaning than corsair:

Other hypernyms of corsair include pirate ship.

As nouns, pirate is a hypernym of corsair; that is, pirate is a word with a broader meaning than corsair:

corsair: a pirate along the Barbary Coast
pirate: someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation

Other hypernyms of corsair include buccaneer, sea robber, sea rover.

corsair (noun)	pirate (noun)
a swift pirate ship (often operating with official sanction)	a ship that is manned by pirates
a pirate along the Barbary Coast	someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation
	someone who uses another person's words or ideas as if they were his own

corsair (verb)	pirate (verb)
	take arbitrarily or by force
	copy illegally; of published material