sulfamezathine vs sulfa

sulfamezathine and sulfa both are nouns.

Word	Noun	Adjective	Verb	Adverb
sulfamezathine	Yes	No	No	No
sulfa	Yes	No	No	No

As nouns, sulfa is a hypernym of sulfamezathine; that is, sulfa is a word with a broader meaning than sulfamezathine:

sulfamezathine: a sulfa drug used like sulfadiazine and also in veterinary medicine
sulfa: antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA

Other hypernyms of sulfamezathine include sulfa drug, sulfonamide, sulpha.

sulfamezathine (noun)	sulfa (noun)
a sulfa drug used like sulfadiazine and also in veterinary medicine	antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA