helminth vs parasitic worm

helminth and parasitic worm both are nouns.

Word	Noun	Adjective	Verb	Adverb
helminth	Yes	No	No	No
parasitic worm	Yes	No	No	No

As nouns, helminth and parasitic worm are synonyms defined as:

helminth and parasitic worm: worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes

helminth (noun)	parasitic worm (noun)
worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes	worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes