| Word | Definitions | Synonyms |
|---|---|---|
| isocarboxazid | (noun) a monoamine oxidase inhibitor (trade name Marplan) that is used to treat clinical depression | Synonyms: Marplan |
| isoniazid | (noun) antibacterial drug (trade name Nydrazid) used to treat tuberculosis | Synonyms: INH, Nydrazid |