sea rover vs buccaneer

sea rover and buccaneer both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea rover	Yes	No	No	No
buccaneer	Yes	No	Yes	No

As nouns, sea rover and buccaneer are synonyms defined as:

sea rover and buccaneer: someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation

Other synonyms of sea rover include pirate, sea robber.

sea rover (noun)	buccaneer (noun)
someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation	someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation

sea rover (verb)	buccaneer (verb)
	live like a buccaneer