lagune vs liman

lagune and liman both are nouns.

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

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

lagune: a body of water cut off from a larger body by a reef of sand or coral
liman: a long narrow lagoon near the mouth of a river

lagune (noun)	liman (noun)
a body of water cut off from a larger body by a reef of sand or coral	a long narrow lagoon near the mouth of a river