Canton ginger vs common ginger

Canton ginger and common ginger both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canton ginger	Yes	No	No	No
common ginger	Yes	No	No	No

As nouns, Canton ginger and common ginger are synonyms defined as:

Canton ginger and common ginger: tropical Asian plant widely cultivated for its pungent root; source of gingerroot and powdered ginger

Other synonyms of Canton ginger include stem ginger, Zingiber officinale.

Canton ginger (noun)	common ginger (noun)
tropical Asian plant widely cultivated for its pungent root; source of gingerroot and powdered ginger	tropical Asian plant widely cultivated for its pungent root; source of gingerroot and powdered ginger