rational vs thinking

rational and thinking both are nouns.

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

rational (noun)	thinking (noun)
an integer or a fraction	the process of using your mind to consider something carefully

rational (adjective)	thinking (adjective)
consistent with or based on or using reason	endowed with the capacity to 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