cocozelle vs marrow squash

cocozelle and marrow squash both are nouns.

Word	Noun	Adjective	Verb	Adverb
cocozelle	Yes	No	No	No
marrow squash	Yes	No	No	No

As nouns, marrow squash is a hypernym of cocozelle; that is, marrow squash is a word with a broader meaning than cocozelle:

cocozelle: squash plant having dark green fruit with skin mottled with light green or yellow
marrow squash: any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh

Other hypernyms of cocozelle include marrow, vegetable marrow.

cocozelle (noun)	marrow squash (noun)
squash resembling zucchini	any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh
squash plant having dark green fruit with skin mottled with light green or yellow