eubacterium vs true bacteria

eubacterium and true bacteria both are nouns.

Word	Noun	Adjective	Verb	Adverb
eubacterium	Yes	No	No	No
true bacteria	Yes	No	No	No

As nouns, eubacterium and true bacteria are synonyms defined as:

eubacterium and true bacteria: a large group of bacteria having rigid cell walls; motile types have flagella

Other synonyms of eubacterium include eubacteria.

eubacterium (noun)	true bacteria (noun)
a large group of bacteria having rigid cell walls; motile types have flagella	a large group of bacteria having rigid cell walls; motile types have flagella