pyemia vs blood poisoning

pyemia and blood poisoning both are nouns.

Word	Noun	Adjective	Verb	Adverb
pyemia	Yes	No	No	No
blood poisoning	Yes	No	No	No

As nouns, blood poisoning is a hypernym of pyemia; that is, blood poisoning is a word with a broader meaning than pyemia:

pyemia: septicemia caused by pus-forming bacteria being released from an abscess
blood poisoning: invasion of the bloodstream by virulent microorganisms from a focus of infection

Other hypernyms of pyemia include septicaemia, septicemia.

pyemia (noun)	blood poisoning (noun)
septicemia caused by pus-forming bacteria being released from an abscess	invasion of the bloodstream by virulent microorganisms from a focus of infection