trichina vs Trichinella spiralis

trichina and Trichinella spiralis both are nouns.

Word	Noun	Adjective	Verb	Adverb
trichina	Yes	No	No	No
Trichinella spiralis	Yes	No	No	No

As nouns, trichina and Trichinella spiralis are synonyms defined as:

trichina and Trichinella spiralis: parasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles

trichina (noun)	Trichinella spiralis (noun)
parasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles	parasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles