rock lobster vs langouste

rock lobster and langouste both are nouns.

Word	Noun	Adjective	Verb	Adverb
rock lobster	Yes	No	No	No
langouste	Yes	No	No	No

As nouns, rock lobster and langouste are synonyms defined as:

rock lobster and langouste: large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters

Other synonyms of rock lobster include crawfish, crayfish, sea crawfish, spiny lobster.

As nouns, rock lobster and langouste are synonyms defined as:

rock lobster and langouste: warm-water lobsters without claws; those from Australia and South Africa usually marketed as frozen tails; caught also in Florida and California

Other synonyms of rock lobster include crayfish, spiny lobster.

rock lobster (noun)	langouste (noun)
large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters	large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters
warm-water lobsters without claws; those from Australia and South Africa usually marketed as frozen tails; caught also in Florida and California	warm-water lobsters without claws; those from Australia and South Africa usually marketed as frozen tails; caught also in Florida and California