botulism vs food poisoning

botulism and food poisoning both are nouns.

Word	Noun	Adjective	Verb	Adverb
botulism	Yes	No	No	No
food poisoning	Yes	No	No	No

As nouns, food poisoning is a hypernym of botulism; that is, food poisoning is a word with a broader meaning than botulism:

botulism: food poisoning from ingesting botulin; not infectious; affects the CNS; can be fatal if not treated promptly
food poisoning: illness caused by poisonous or contaminated food

Other hypernyms of botulism include gastrointestinal disorder.

botulism (noun)	food poisoning (noun)
food poisoning from ingesting botulin; not infectious; affects the CNS; can be fatal if not treated promptly	illness caused by poisonous or contaminated food