saturnism vs illness

saturnism and illness both are nouns.

Word	Noun	Adjective	Verb	Adverb
saturnism	Yes	No	No	No
illness	Yes	No	No	No

As nouns, illness is a hypernym of saturnism; that is, illness is a word with a broader meaning than saturnism:

saturnism: toxic condition produced by the absorption of excessive lead into the system
illness: impairment of normal physiological function affecting part or all of an organism

Other hypernyms of saturnism include malady, sickness, unwellness.

saturnism (noun)	illness (noun)
toxic condition produced by the absorption of excessive lead into the system	impairment of normal physiological function affecting part or all of an organism