airy vs aeriform

airy and aeriform both are adjectives.

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

As adjectives, airy and aeriform are synonyms defined as:

airy and aeriform: characterized by lightness and insubstantiality; as impalpable or intangible as air

Other synonyms of airy include aerial, aery, ethereal.

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