Rumex acetosa vs sour dock

Rumex acetosa and sour dock both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rumex acetosa	Yes	No	No	No
sour dock	Yes	No	No	No

As nouns, Rumex acetosa and sour dock are synonyms defined as:

Rumex acetosa and sour dock: European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens

Other synonyms of Rumex acetosa include garden sorrel.

Rumex acetosa (noun)	sour dock (noun)
European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens	European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens