cowry vs tiger cowrie

cowry and tiger cowrie both are nouns.

Word	Noun	Adjective	Verb	Adverb
cowry	Yes	No	No	No
tiger cowrie	Yes	No	No	No

As nouns, tiger cowrie is a hyponym of cowry; that is, tiger cowrie is a word with a more specific, narrower meaning than cowry:

cowry: any of numerous tropical marine gastropods of the genus Cypraea having highly polished usually brightly marked shells
tiger cowrie: cowrie whose shell is used for ornament

Other hyponyms of cowry include Cypraea moneta, money cowrie, Cypraea tigris.

cowry (noun)	tiger cowrie (noun)
any of numerous tropical marine gastropods of the genus Cypraea having highly polished usually brightly marked shells	cowrie whose shell is used for ornament