airy vs visionary

airy is not a noun while visionary is a noun.

Word	Noun	Adjective	Verb	Adverb
airy	No	Yes	No	No
visionary	Yes	Yes	No	No

As adjectives, airy and visionary are synonyms defined as:

Other synonyms of airy include impractical, Laputan, windy.

airy (noun)	visionary (noun)
	a person with unusual powers of foresight
	a person given to fanciful speculations and enthusiasms with little regard for what is actually possible

airy (adjective)	visionary (adjective)
characterized by lightness and insubstantiality; as impalpable or intangible as air	not practical or realizable; speculative
having little or no perceptible weight; so light as to resemble air
not practical or realizable; speculative
open to or abounding in fresh air