rational vs rationality

rational and rationality both are nouns.

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

rational (noun)	rationality (noun)
an integer or a fraction	the quality of being consistent with or based on logic
	the state of having good sense and sound judgment

rational (adjective)	rationality (adjective)
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