sulfisoxazole vs sulpha

sulfisoxazole and sulpha both are nouns.

Word	Noun	Adjective	Verb	Adverb
sulfisoxazole	Yes	No	No	No
sulpha	Yes	No	No	No

As nouns, sulpha is a hypernym of sulfisoxazole; that is, sulpha is a word with a broader meaning than sulfisoxazole:

sulfisoxazole: a sulfonamide (trade name Gantrisin) used to treat infections of the urinary tract
sulpha: antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA

Other hypernyms of sulfisoxazole include sulfa, sulfa drug, sulfonamide.

sulfisoxazole (noun)	sulpha (noun)
a sulfonamide (trade name Gantrisin) used to treat infections of the urinary tract	antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA