Mutamycin vs mitomycin

Mutamycin and mitomycin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mutamycin	Yes	No	No	No
mitomycin	Yes	No	No	No

As nouns, Mutamycin and mitomycin are synonyms defined as:

Mutamycin and mitomycin: a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug

Mutamycin (noun)	mitomycin (noun)
a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug	a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug