Minocin vs Achromycin

Minocin and Achromycin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Minocin	Yes	No	No	No
Achromycin	Yes	No	No	No

As nouns, Achromycin is a hypernym of Minocin; that is, Achromycin is a word with a broader meaning than Minocin:

Minocin: tetracycline antibiotic (trade name Minocin) used to treat a variety of bacterial and rickettsial infections
Achromycin: an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections

Other hypernyms of Minocin include tetracycline.

Minocin (noun)	Achromycin (noun)
tetracycline antibiotic (trade name Minocin) used to treat a variety of bacterial and rickettsial infections	an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections