Kantrex vs kanamycin

Kantrex and kanamycin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kantrex	Yes	No	No	No
kanamycin	Yes	No	No	No

As nouns, Kantrex and kanamycin are synonyms defined as:

Kantrex and kanamycin: antibiotic (trade name Kantrex) used to treat severe infections

Kantrex (noun)	kanamycin (noun)
antibiotic (trade name Kantrex) used to treat severe infections	antibiotic (trade name Kantrex) used to treat severe infections