actinomycete vs eubacteria

actinomycete and eubacteria both are nouns.

Word	Noun	Adjective	Verb	Adverb
actinomycete	Yes	No	No	No
eubacteria	Yes	No	No	No

As nouns, eubacteria is a hypernym of actinomycete; that is, eubacteria is a word with a broader meaning than actinomycete:

actinomycete: any bacteria (some of which are pathogenic for humans and animals) belonging to the order Actinomycetales
eubacteria: a large group of bacteria having rigid cell walls; motile types have flagella

Other hypernyms of actinomycete include eubacterium, true bacteria.

actinomycete (noun)	eubacteria (noun)
any bacteria (some of which are pathogenic for humans and animals) belonging to the order Actinomycetales	a large group of bacteria having rigid cell walls; motile types have flagella