hedge garlic vs jack-by-the-hedge

hedge garlic and jack-by-the-hedge both are nouns.

Word	Noun	Adjective	Verb	Adverb
hedge garlic	Yes	No	No	No
jack-by-the-hedge	Yes	No	No	No

As nouns, hedge garlic and jack-by-the-hedge are synonyms defined as:

hedge garlic and jack-by-the-hedge: European herb that smells like garlic

Other synonyms of hedge garlic include Alliaria officinalis, garlic mustard, sauce-alone.

hedge garlic (noun)	jack-by-the-hedge (noun)
European herb that smells like garlic	European herb that smells like garlic