febricity vs pyrexia

febricity and pyrexia both are nouns.

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

As nouns, febricity and pyrexia are synonyms defined as:

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

Other synonyms of febricity include febrility, fever, feverishness.

febricity (noun)	pyrexia (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