ketoacidosis vs acidosis

ketoacidosis and acidosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
ketoacidosis	Yes	No	No	No
acidosis	Yes	No	No	No

As nouns, acidosis is a hypernym of ketoacidosis; that is, acidosis is a word with a broader meaning than ketoacidosis:

ketoacidosis: acidosis with an accumulation of ketone bodies; occurs primarily in diabetes mellitus
acidosis: abnormally high acidity (excess hydrogen-ion concentration) of the blood and other body tissues

ketoacidosis (noun)	acidosis (noun)
acidosis with an accumulation of ketone bodies; occurs primarily in diabetes mellitus	abnormally high acidity (excess hydrogen-ion concentration) of the blood and other body tissues