laurel vs bay wreath

laurel and bay wreath both are nouns.

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

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

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

Other synonyms of laurel include laurel wreath.

laurel (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
any of various aromatic trees of the laurel family