Canton ginger vs stem ginger

Canton ginger and stem ginger both are nouns.

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

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

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

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

Canton ginger (noun)	stem 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