rational vs irrational

rational and irrational both are nouns.

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

rational (noun)	irrational (noun)
an integer or a fraction	a real number that cannot be expressed as a rational number

rational (adjective)	irrational (adjective)
consistent with or based on or using reason	not consistent with or using reason
capable of being expressed as a quotient of integers	real but not expressible as the quotient of two 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