deepness vs deepness

deepness and deepness both are nouns.

Word	Noun	Adjective	Verb	Adverb
deepness	Yes	No	No	No
deepness	Yes	No	No	No

As nouns, deepness is a hypernym of deepness; that is, deepness is a word with a broader meaning than deepness:

Other hypernyms of deepness include depth.

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

Other hyponyms of deepness include profoundness, profundity, draft, draught, penetration, sounding, shallowness.

deepness (noun)	deepness (noun)
the quality of being physically deep	the quality of being physically deep
the extent downward or backward or inward	the extent downward or backward or inward
a low pitch that is loud and voluminous	a low pitch that is loud and voluminous
the intellectual ability to penetrate deeply into ideas	the intellectual ability to penetrate deeply into ideas