sulfonamide vs sulpha

sulfonamide and sulpha both are nouns.

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

As nouns, sulfonamide and sulpha are synonyms defined as:

sulfonamide and sulpha: antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA

Other synonyms of sulfonamide include sulfa, sulfa drug.

sulfonamide (noun)	sulpha (noun)
antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA	antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA