continental slope vs Davy Jones

continental slope and Davy Jones both are nouns.

Word	Noun	Adjective	Verb	Adverb
continental slope	Yes	No	No	No
Davy Jones	Yes	No	No	No

As nouns, Davy Jones is a hypernym of continental slope; that is, Davy Jones is a word with a broader meaning than continental slope:

continental slope: the steep descent of the seabed from the continental shelf to the abyssal zone
Davy Jones: the bottom of a sea or ocean

Other hypernyms of continental slope include Davy Jones's locker, ocean bottom, ocean floor, sea bottom, sea floor, seabed.

continental slope (noun)	Davy Jones (noun)
the steep descent of the seabed from the continental shelf to the abyssal zone	the bottom of a sea or ocean