nontricyclic antidepressant drug vs nontricyclic drug

nontricyclic antidepressant drug and nontricyclic drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
nontricyclic antidepressant drug	Yes	No	No	No
nontricyclic drug	Yes	No	No	No

As nouns, nontricyclic antidepressant drug and nontricyclic drug are synonyms defined as:

nontricyclic antidepressant drug and nontricyclic drug: a class of antidepressant drugs that are not tricyclic drugs and do not act by inhibiting MAO

Other synonyms of nontricyclic antidepressant drug include nontricyclic, nontricyclic antidepressant.

nontricyclic antidepressant drug (noun)	nontricyclic drug (noun)
a class of antidepressant drugs that are not tricyclic drugs and do not act by inhibiting MAO	a class of antidepressant drugs that are not tricyclic drugs and do not act by inhibiting MAO