miasmal vs vaporous

miasmal and vaporous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
miasmal	No	Yes	No	No
vaporous	No	Yes	No	No

As adjectives, miasmal and vaporous are synonyms defined as:

Other synonyms of miasmal include miasmic, vapourous.

miasmal (adjective)	vaporous (adjective)
filled with vapor	filled with vapor
	resembling or characteristic of vapor
	so thin as to transmit light