lagune vs laguna

lagune and laguna both are nouns.

Word	Noun	Adjective	Verb	Adverb
lagune	Yes	No	No	No
laguna	Yes	No	No	No

As nouns, lagune and laguna are synonyms defined as:

lagune and laguna: a body of water cut off from a larger body by a reef of sand or coral

Other synonyms of lagune include lagoon.

lagune (noun)	laguna (noun)
a body of water cut off from a larger body by a reef of sand or coral	a body of water cut off from a larger body by a reef of sand or coral