obscurity vs limbo

obscurity and limbo both are nouns.

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

As nouns, limbo is a hyponym of obscurity; that is, limbo is a word with a more specific, narrower meaning than obscurity:

Other hyponyms of obscurity include anonymity, namelessness, humbleness, lowliness, obscureness, unimportance, nowhere, oblivion.

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