laurel wreath vs bay wreath

laurel wreath and bay wreath both are nouns.

Word	Noun	Adjective	Verb	Adverb
laurel wreath	Yes	No	No	No
bay wreath	Yes	No	No	No

As nouns, laurel wreath and bay wreath are synonyms defined as:

laurel wreath and bay wreath: (antiquity) a wreath of laurel foliage worn on the head as an emblem of victory

Other synonyms of laurel wreath include laurel.

laurel wreath (noun)	bay wreath (noun)
(antiquity) a wreath of laurel foliage worn on the head as an emblem of victory	(antiquity) a wreath of laurel foliage worn on the head as an emblem of victory
an award for winning a championship or commemorating some other event