lucidness vs clearness

lucidness and clearness both are nouns.

Word	Noun	Adjective	Verb	Adverb
lucidness	Yes	No	No	No
clearness	Yes	No	No	No

As nouns, lucidness and clearness are synonyms defined as:

lucidness and clearness: free from obscurity and easy to understand; the comprehensibility of clear expression

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

lucidness (noun)	clearness (noun)
free from obscurity and easy to understand; the comprehensibility of clear expression	free from obscurity and easy to understand; the comprehensibility of clear expression
	the quality of clear water