paratyphoid fever vs paratyphoid

paratyphoid fever and paratyphoid both are nouns.

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

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

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

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