borrelia vs spirochete

borrelia and spirochete both are nouns.

Word	Noun	Adjective	Verb	Adverb
borrelia	Yes	No	No	No
spirochete	Yes	No	No	No

As nouns, spirochete is a hypernym of borrelia; that is, spirochete is a word with a broader meaning than borrelia:

borrelia: cause of e.g. European and African relapsing fever
spirochete: parasitic or free-living bacteria; many pathogenic to humans and other animals

Other hypernyms of borrelia include spirochaete.

borrelia (noun)	spirochete (noun)
cause of e.g. European and African relapsing fever	parasitic or free-living bacteria; many pathogenic to humans and other animals