taenia vs tapeworm

taenia and tapeworm both are nouns.

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

As nouns, tapeworm is a hypernym of taenia; that is, tapeworm is a word with a broader meaning than taenia:

taenia: tapeworms parasitic in humans which uses the pig as its intermediate host
tapeworm: ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates

Other hypernyms of taenia include cestode.

taenia (noun)	tapeworm (noun)
tapeworms parasitic in humans which uses the pig as its intermediate host	ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates
a narrow headband or strip of ribbon worn as a headband