plasmid vs plasmid DNA

plasmid and plasmid DNA both are nouns.

Word	Noun	Adjective	Verb	Adverb
plasmid	Yes	No	No	No
plasmid DNA	Yes	No	No	No

As nouns, plasmid and plasmid DNA are synonyms defined as:

plasmid and plasmid DNA: a small cellular inclusion consisting of a ring of DNA that is not in a chromosome but is capable of autonomous replication

plasmid (noun)	plasmid DNA (noun)
a small cellular inclusion consisting of a ring of DNA that is not in a chromosome but is capable of autonomous replication	a small cellular inclusion consisting of a ring of DNA that is not in a chromosome but is capable of autonomous replication