prismatic vs prism

prismatic is not a noun while prism is a noun.

Word	Noun	Adjective	Verb	Adverb
prismatic	No	Yes	No	No
prism	Yes	No	No	No

prismatic (noun)	prism (noun)
	optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image
	a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms

prismatic (adjective)	prism (adjective)
of or relating to or resembling or constituting a prism
exhibiting spectral colors formed by refraction of light through a prism