fever vs febricity

fever and febricity both are nouns.

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

As nouns, fever and febricity are synonyms defined as:

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

Other synonyms of fever include febrility, feverishness, pyrexia.

fever (noun)	febricity (noun)
a state of nervous excitement	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