MAOI vs Nardil

MAOI and Nardil both are nouns.

Word	Noun	Adjective	Verb	Adverb
MAOI	Yes	No	No	No
Nardil	Yes	No	No	No

As nouns, Nardil is a hyponym of MAOI; that is, Nardil is a word with a more specific, narrower meaning than MAOI:

MAOI: any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate
Nardil: monoamine oxidase inhibitor (trade name Nardil) used to treat clinical depression

Other hyponyms of MAOI include iproclozide, isocarboxazid, Marplan, phenelzine, tranylcypromine.

MAOI (noun)	Nardil (noun)
any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate	monoamine oxidase inhibitor (trade name Nardil) used to treat clinical depression