paratyphoid vs paratyphoid fever

paratyphoid and paratyphoid fever both are nouns.

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

As nouns, paratyphoid and paratyphoid fever are synonyms defined as:

paratyphoid and paratyphoid fever: any of a variety of infectious intestinal diseases resembling typhoid fever

paratyphoid (noun)	paratyphoid fever (noun)
any of a variety of infectious intestinal diseases resembling typhoid fever	any of a variety of infectious intestinal diseases resembling typhoid fever