transparent substance vs translucent substance

transparent substance and translucent substance both are nouns.

Word	Noun	Adjective	Verb	Adverb
transparent substance	Yes	No	No	No
translucent substance	Yes	No	No	No

As nouns, transparent substance and translucent substance are synonyms defined as:

transparent substance and translucent substance: a material having the property of admitting light diffusely; a partly transparent material

transparent substance (noun)	translucent substance (noun)
a material having the property of admitting light diffusely; a partly transparent material	a material having the property of admitting light diffusely; a partly transparent material