nontricyclic vs nontricyclic antidepressant drug

nontricyclic and nontricyclic antidepressant drug both are nouns.

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

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

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

Other synonyms of nontricyclic include nontricyclic antidepressant, nontricyclic drug.

nontricyclic (noun)	nontricyclic antidepressant 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