noetic vs rational

noetic is not a noun while rational is a noun.

Word	Noun	Adjective	Verb	Adverb
noetic	No	Yes	No	No
rational	Yes	Yes	No	No

As adjectives, noetic and rational are synonyms defined as:

noetic and rational: of or associated with or requiring the use of the mind

Other synonyms of noetic include intellectual.

noetic (noun)	rational (noun)
	an integer or a fraction

noetic (adjective)	rational (adjective)
of or associated with or requiring the use of the mind	consistent with or based on or using reason
	capable of being expressed as a quotient of integers
	having its source in or being guided by the intellect (as distinguished from experience or emotion)
	of or associated with or requiring the use of the mind