cestode vs tapeworm

cestode and tapeworm both are nouns.

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

As nouns, cestode and tapeworm are synonyms defined as:

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

cestode (noun)	tapeworm (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