caffeinism vs caffeine intoxication

caffeinism and caffeine intoxication both are nouns.

Word	Noun	Adjective	Verb	Adverb
caffeinism	Yes	No	No	No
caffeine intoxication	Yes	No	No	No

As nouns, caffeinism and caffeine intoxication are synonyms defined as:

caffeinism and caffeine intoxication: poisoning resulting from excessive intake of caffeine containing products

caffeinism (noun)	caffeine intoxication (noun)
poisoning resulting from excessive intake of caffeine containing products	poisoning resulting from excessive intake of caffeine containing products