profoundness vs profundity

profoundness and profundity both are nouns.

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

As nouns, profoundness and profundity are synonyms defined as:

Other synonyms of profoundness include deepness.

As nouns, profoundness and profundity are synonyms defined as:

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

As nouns, profoundness and profundity are synonyms defined as:

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

Other synonyms of profoundness include astuteness, deepness, depth.

As nouns, profoundness and profundity are synonyms defined as:

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

Other synonyms of profoundness include abstruseness, abstrusity, reconditeness.

profoundness (noun)	profundity (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