Terramycin vs oxytetracycline

Terramycin and oxytetracycline both are nouns.

Word	Noun	Adjective	Verb	Adverb
Terramycin	Yes	No	No	No
oxytetracycline	Yes	No	No	No

As nouns, Terramycin and oxytetracycline are synonyms defined as:

Terramycin and oxytetracycline: a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections

Other synonyms of Terramycin include hydroxytetracycline, oxytetracycline hydrochloride.

Terramycin (noun)	oxytetracycline (noun)
a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections	a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections