pellucidity vs transparency

pellucidity and transparency both are nouns.

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

As nouns, transparency is a hypernym of pellucidity; that is, transparency is a word with a broader meaning than pellucidity:

Other hypernyms of pellucidity include transparence, transparentness.

pellucidity (noun)	transparency (noun)
passing light without diffusion or distortion	picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector
free from obscurity and easy to understand; the comprehensibility of clear expression	the quality of being clear and transparent
	permitting the free passage of electromagnetic radiation