winter hazel vs flowering hazel

winter hazel and flowering hazel both are nouns.

Word	Noun	Adjective	Verb	Adverb
winter hazel	Yes	No	No	No
flowering hazel	Yes	No	No	No

As nouns, winter hazel and flowering hazel are synonyms defined as:

winter hazel and flowering hazel: any of several Asiatic deciduous shrubs cultivated for their nodding racemes of yellow flowers that appear before the leaves

winter hazel (noun)	flowering hazel (noun)
any of several Asiatic deciduous shrubs cultivated for their nodding racemes of yellow flowers that appear before the leaves	any of several Asiatic deciduous shrubs cultivated for their nodding racemes of yellow flowers that appear before the leaves