profundity vs profoundness

profundity and profoundness both are nouns.

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

As nouns, profundity and profoundness are synonyms defined as:

Other synonyms of profundity include deepness.

As nouns, profundity and profoundness are synonyms defined as:

profundity and profoundness: intellectual depth, penetrating knowledge, keen insight, etc; "the depth of my feeling"; "the profoundness of the silence"

As nouns, profundity and profoundness are synonyms defined as:

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

Other synonyms of profundity include astuteness, deepness, depth.

As nouns, profundity and profoundness are synonyms defined as:

profundity and profoundness: wisdom that is recondite and abstruse and profound

Other synonyms of profundity include abstruseness, abstrusity, reconditeness.

profundity (noun)	profoundness (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"	intellectual depth, penetrating knowledge, keen insight, etc; "the depth of my feeling"; "the profoundness of the silence"
the intellectual ability to penetrate deeply into ideas	the intellectual ability to penetrate deeply into ideas
wisdom that is recondite and abstruse and profound	wisdom that is recondite and abstruse and profound
	extremeness of degree