prism vs prismatic

prism is a noun but prismatic is not a noun.

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

prism (noun)	prismatic (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

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