singing vs disclosure

singing and disclosure both are nouns.

Word	Noun	Adjective	Verb	Adverb
singing	Yes	Yes	No	No
disclosure	Yes	No	No	No

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

Other hypernyms of singing include revealing, revelation.

singing (noun)	disclosure (noun)
the act of singing vocal music	the speech act of making something evident
disclosing information or giving evidence about another

singing (adjective)	disclosure (adjective)
smooth and flowing