witch hazel plant vs wych hazel plant

witch hazel plant and wych hazel plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
witch hazel plant	Yes	No	No	No
wych hazel plant	Yes	No	No	No

As nouns, witch hazel plant and wych hazel plant are synonyms defined as:

witch hazel plant and wych hazel plant: any of several shrubs or trees of the genus Hamamelis; bark yields an astringent lotion

Other synonyms of witch hazel plant include witch hazel, wych hazel.

witch hazel plant (noun)	wych hazel plant (noun)
any of several shrubs or trees of the genus Hamamelis; bark yields an astringent lotion	any of several shrubs or trees of the genus Hamamelis; bark yields an astringent lotion