schema vs plan

schema and plan both are nouns.

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

As nouns, plan is a hypernym of schema; that is, plan is a word with a broader meaning than schema:

Other hypernyms of schema include program, programme.

schema (noun)	plan (noun)
a schematic or preliminary plan	scale drawing of a structure
an internal representation of the world; an organization of concepts and actions that can be revised by new information about the world	a series of steps to be carried out or goals to be accomplished
	an arrangement scheme

schema (verb)	plan (verb)
	make plans for something
	have the will and intention to carry out some action
	make or work out a plan for; devise