pellucidity vs lucidity

pellucidity and lucidity both are nouns.

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

As nouns, pellucidity and lucidity are synonyms defined as:

pellucidity and lucidity: free from obscurity and easy to understand; the comprehensibility of clear expression

Other synonyms of pellucidity include clarity, clearness, limpidity, lucidness.

pellucidity (noun)	lucidity (noun)
passing light without diffusion or distortion	free from obscurity and easy to understand; the comprehensibility of clear expression
free from obscurity and easy to understand; the comprehensibility of clear expression	a lucid state of mind; not confused