schema vs schematic

schema and schematic both are nouns.

Word	Noun	Adjective	Verb	Adverb
schema	Yes	No	No	No
schematic	Yes	Yes	No	No

schema (noun)	schematic (noun)
a schematic or preliminary plan	diagram of an electrical or mechanical system
an internal representation of the world; an organization of concepts and actions that can be revised by new information about the world

schema (adjective)	schematic (adjective)
	represented in simplified or symbolic form