septicaemia vs septicemia

septicaemia and septicemia both are nouns.

Word	Noun	Adjective	Verb	Adverb
septicaemia	Yes	No	No	No
septicemia	Yes	No	No	No

As nouns, septicaemia and septicemia are synonyms defined as:

septicaemia and septicemia: invasion of the bloodstream by virulent microorganisms from a focus of infection

Other synonyms of septicaemia include blood poisoning.

septicaemia (noun)	septicemia (noun)
invasion of the bloodstream by virulent microorganisms from a focus of infection	invasion of the bloodstream by virulent microorganisms from a focus of infection