treponema vs spirochaete

treponema and spirochaete both are nouns.

Word	Noun	Adjective	Verb	Adverb
treponema	Yes	No	No	No
spirochaete	Yes	No	No	No

As nouns, spirochaete is a hypernym of treponema; that is, spirochaete is a word with a broader meaning than treponema:

treponema: spirochete that causes disease in humans (e.g. syphilis and yaws)
spirochaete: parasitic or free-living bacteria; many pathogenic to humans and other animals

Other hypernyms of treponema include spirochete.

treponema (noun)	spirochaete (noun)
spirochete that causes disease in humans (e.g. syphilis and yaws)	parasitic or free-living bacteria; many pathogenic to humans and other animals