vaporous vs vapourific

vaporous and vapourific both are adjectives.

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

As adjectives, vaporous and vapourific are synonyms defined as:

Other synonyms of vaporous include vaporific, vaporish, vapourish, vapourous.

vaporous (adjective)	vapourific (adjective)
filled with vapor	resembling or characteristic of vapor
resembling or characteristic of vapor	(used of substances) capable of being volatilized
so thin as to transmit light