food poisoning vs gastrointestinal disorder

food poisoning and gastrointestinal disorder both are nouns.

Word	Noun	Adjective	Verb	Adverb
food poisoning	Yes	No	No	No
gastrointestinal disorder	Yes	No	No	No

As nouns, food poisoning and gastrointestinal disorder are synonyms defined as:

food poisoning and gastrointestinal disorder: illness caused by poisonous or contaminated food

food poisoning (noun)	gastrointestinal disorder (noun)
illness caused by poisonous or contaminated food	illness caused by poisonous or contaminated food