dewberry vs running blackberry

dewberry and running blackberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
dewberry	Yes	No	No	No
running blackberry	Yes	No	No	No

As nouns, dewberry and running blackberry are synonyms defined as:

dewberry and running blackberry: any of several trailing blackberry brambles especially of North America

Other synonyms of dewberry include dewberry bush.

dewberry (noun)	running blackberry (noun)
blackberry-like fruits of any of several trailing blackberry bushes	any of several trailing blackberry brambles especially of North America
any of several trailing blackberry brambles especially of North America