theoretical vs hypothetical

theoretical is not a noun while hypothetical is a noun.

Word	Noun	Adjective	Verb	Adverb
theoretical	No	Yes	No	No
hypothetical	Yes	Yes	No	No

theoretical (noun)	hypothetical (noun)
	a hypothetical possibility, circumstance, statement, proposal, situation, etc.

theoretical (adjective)	hypothetical (adjective)
concerned primarily with theories or hypotheses rather than practical considerations	based primarily on surmise rather than adequate evidence
concerned with theories rather than their practical applications