sepsis vs sapraemia

sepsis and sapraemia both are nouns.

Word	Noun	Adjective	Verb	Adverb
sepsis	Yes	No	No	No
sapraemia	Yes	No	No	No

As nouns, sapraemia is a hyponym of sepsis; that is, sapraemia is a word with a more specific, narrower meaning than sepsis:

sepsis: the presence of pus-forming bacteria or their toxins in the blood or tissues
sapraemia: blood poisoning caused by putrefactive bacteria; results from eating putrefied matter

Other hyponyms of sepsis include blood poisoning, septicaemia, septicemia, sapremia.

sepsis (noun)	sapraemia (noun)
the presence of pus-forming bacteria or their toxins in the blood or tissues	blood poisoning caused by putrefactive bacteria; results from eating putrefied matter