profoundness vs deepness

profoundness and deepness both are nouns.

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

As nouns, profoundness and deepness are synonyms defined as:

Other synonyms of profoundness include profundity.

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

Other hypernyms of profoundness include depth.

As nouns, profoundness and deepness are synonyms defined as:

profoundness and deepness: the intellectual ability to penetrate deeply into ideas

Other synonyms of profoundness include astuteness, depth, profundity.

profoundness (noun)	deepness (noun)
the quality of being physically deep	the quality of being physically deep
intellectual depth, penetrating knowledge, keen insight, etc; "the depth of my feeling"; "the profoundness of the silence"	the extent downward or backward or inward
the intellectual ability to penetrate deeply into ideas	a low pitch that is loud and voluminous
wisdom that is recondite and abstruse and profound	the intellectual ability to penetrate deeply into ideas
extremeness of degree