obscurity vs anonymity

obscurity and anonymity both are nouns.

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

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

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

obscurity (noun)	anonymity (noun)
the quality of being unclear or abstruse and hard to understand	the state of being anonymous
an obscure and unimportant standing; not well known
the state of being indistinct or indefinite for lack of adequate illumination