plumbism vs sickness

plumbism and sickness both are nouns.

Word	Noun	Adjective	Verb	Adverb
plumbism	Yes	No	No	No
sickness	Yes	No	No	No

As nouns, sickness is a hypernym of plumbism; that is, sickness is a word with a broader meaning than plumbism:

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

Other hypernyms of plumbism include illness, malady, unwellness.

plumbism (noun)	sickness (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
	the state that precedes vomiting
	defectiveness or unsoundness