cortex vs animal tissue

cortex and animal tissue both are nouns.

Word	Noun	Adjective	Verb	Adverb
cortex	Yes	No	No	No
animal tissue	Yes	No	No	No

As nouns, animal tissue is a hypernym of cortex; that is, animal tissue is a word with a broader meaning than cortex:

cortex: the tissue forming the outer layer of an organ or structure in plant or animal
animal tissue: the tissue in the bodies of animals

Other hypernyms of cortex include plant tissue.

As nouns, animal tissue is a hypernym of cortex; that is, animal tissue is a word with a broader meaning than cortex:

cortex (noun)	animal tissue (noun)
the tissue forming the outer layer of an organ or structure in plant or animal	the tissue in the bodies of animals
the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum
the tissue that surrounds the lens nucleus