nontricyclic drug vs nontricyclic

nontricyclic drug and nontricyclic both are nouns.

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

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

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

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

nontricyclic 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