plastic vs constructive

plastic is a noun but constructive is not a noun.

Word	Noun	Adjective	Verb	Adverb
plastic	Yes	Yes	No	No
constructive	No	Yes	No	No

plastic (noun)	constructive (noun)
a card (usually plastic) that assures a seller that the person using it has sufficient means of payment and that the issuer will see to it that the seller receives payment for the merchandise delivered
generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives

plastic (adjective)	constructive (adjective)
forming or capable of forming or molding or fashioning	constructing or tending to construct or improve or promote development
capable of being molded or modeled (especially of earth or clay or other soft material)	emphasizing what is laudable or hopeful or to the good
capable of being influenced or formed