corynebacterium vs eubacterium

corynebacterium and eubacterium both are nouns.

Word	Noun	Adjective	Verb	Adverb
corynebacterium	Yes	No	No	No
eubacterium	Yes	No	No	No

As nouns, eubacterium is a hypernym of corynebacterium; that is, eubacterium is a word with a broader meaning than corynebacterium:

corynebacterium: any species of the genus Corynebacterium
eubacterium: a large group of bacteria having rigid cell walls; motile types have flagella

Other hypernyms of corynebacterium include eubacteria, true bacteria.

corynebacterium (noun)	eubacterium (noun)
any species of the genus Corynebacterium	a large group of bacteria having rigid cell walls; motile types have flagella