unambiguity vs lucidity

unambiguity and lucidity both are nouns.

Word	Noun	Adjective	Verb	Adverb
unambiguity	Yes	No	No	No
lucidity	Yes	No	No	No

As nouns, lucidity is a hypernym of unambiguity; that is, lucidity is a word with a broader meaning than unambiguity:

unambiguity: clarity achieved by the avoidance of ambiguity
lucidity: free from obscurity and easy to understand; the comprehensibility of clear expression

Other hypernyms of unambiguity include clarity, clearness, limpidity, lucidness, pellucidity.

unambiguity (noun)	lucidity (noun)
clarity achieved by the avoidance of ambiguity	free from obscurity and easy to understand; the comprehensibility of clear expression
	a lucid state of mind; not confused