limbo vs obscurity

limbo and obscurity both are nouns.

Word	Noun	Adjective	Verb	Adverb
limbo	Yes	No	No	No
obscurity	Yes	No	No	No

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

limbo (noun)	obscurity (noun)
(theology) in Roman Catholicism, the place of unbaptized but innocent or righteous souls (such as infants and virtuous individuals)	the quality of being unclear or abstruse and hard to understand
an imaginary place for lost or neglected things	an obscure and unimportant standing; not well known
the state of being disregarded or forgotten	the state of being indistinct or indefinite for lack of adequate illumination