meadow leek vs Canada garlic

meadow leek and Canada garlic both are nouns.

Word	Noun	Adjective	Verb	Adverb
meadow leek	Yes	No	No	No
Canada garlic	Yes	No	No	No

As nouns, meadow leek and Canada garlic are synonyms defined as:

Other synonyms of meadow leek include Allium canadense, rose leek.

meadow leek (noun)	Canada garlic (noun)
North American bulbous plant	North American bulbous plant