sultry vs sulphurous

sultry and sulphurous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sultry	No	Yes	No	No
sulphurous	No	Yes	No	No

As adjectives, sultry and sulphurous are synonyms defined as:

Other synonyms of sultry include stifling, sulfurous.

sultry (adjective)	sulphurous (adjective)
characterized by oppressive heat and humidity	of or related to or containing sulfur or derived from sulfur
sexually exciting or gratifying	characterized by oppressive heat and humidity
	harsh or corrosive in tone