nephritis vs nephrosis

nephritis and nephrosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
nephritis	Yes	No	No	No
nephrosis	Yes	No	No	No

As nouns, nephrosis is a hypernym of nephritis; that is, nephrosis is a word with a broader meaning than nephritis:

Other hypernyms of nephritis include kidney disease, nephropathy, renal disorder.

nephritis (noun)	nephrosis (noun)
an inflammation of the kidney	a disease affecting the kidneys
	a syndrome characterized by edema and large amounts of protein in the urine and usually increased blood cholesterol; usually associated with glomerulonephritis or with a complication of various systemic diseases