tapeworm vs cestode

tapeworm and cestode both are nouns.

Word	Noun	Adjective	Verb	Adverb
tapeworm	Yes	No	No	No
cestode	Yes	No	No	No

As nouns, tapeworm and cestode are synonyms defined as:

tapeworm and cestode: ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates

tapeworm (noun)	cestode (noun)
ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates	ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates