nontricyclic antidepressant drug vs nontricyclic

nontricyclic antidepressant drug and nontricyclic both are nouns.

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

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

nontricyclic antidepressant drug and nontricyclic: 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 antidepressant, nontricyclic drug.

nontricyclic antidepressant drug (noun)	nontricyclic (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