ormer vs ear-shell

ormer and ear-shell both are nouns.

Word	Noun	Adjective	Verb	Adverb
ormer	Yes	No	No	No
ear-shell	Yes	No	No	No

As nouns, ear-shell is a hypernym of ormer; that is, ear-shell is a word with a broader meaning than ormer:

ormer: an abalone found near the Channel Islands
ear-shell: any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior

Other hypernyms of ormer include abalone.

ormer (noun)	ear-shell (noun)
an abalone found near the Channel Islands	any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior