actinomyces vs true bacteria

actinomyces and true bacteria both are nouns.

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

As nouns, true bacteria is a hypernym of actinomyces; that is, true bacteria is a word with a broader meaning than actinomyces:

actinomyces: soil-inhabiting saprophytes and disease-producing plant and animal parasites
true bacteria: a large group of bacteria having rigid cell walls; motile types have flagella

Other hypernyms of actinomyces include eubacteria, eubacterium.

actinomyces (noun)	true bacteria (noun)
soil-inhabiting saprophytes and disease-producing plant and animal parasites	a large group of bacteria having rigid cell walls; motile types have flagella