pyrexia vs febricity

pyrexia and febricity both are nouns.

Word	Noun	Adjective	Verb	Adverb
pyrexia	Yes	No	No	No
febricity	Yes	No	No	No

As nouns, pyrexia and febricity are synonyms defined as:

pyrexia and febricity: a rise in the temperature of the body; frequently a symptom of infection

Other synonyms of pyrexia include febrility, fever, feverishness.

pyrexia (noun)	febricity (noun)
a rise in the temperature of the body; frequently a symptom of infection	a rise in the temperature of the body; frequently a symptom of infection