botulismotoxin vs botulinus toxin

botulismotoxin and botulinus toxin both are nouns.

Word	Noun	Adjective	Verb	Adverb
botulismotoxin	Yes	No	No	No
botulinus toxin	Yes	No	No	No

As nouns, botulismotoxin and botulinus toxin are synonyms defined as:

botulismotoxin and botulinus toxin: potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism; can be used as a bioweapon

Other synonyms of botulismotoxin include botulin.

botulismotoxin (noun)	botulinus toxin (noun)
potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism; can be used as a bioweapon	potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism; can be used as a bioweapon