wych elm vs witch elm

wych elm and witch elm both are nouns.

Word	Noun	Adjective	Verb	Adverb
wych elm	Yes	No	No	No
witch elm	Yes	No	No	No

As nouns, wych elm and witch elm are synonyms defined as:

Other synonyms of wych elm include Ulmus glabra.

wych elm (noun)	witch elm (noun)
Eurasian elm often planted as a shade tree	Eurasian elm often planted as a shade tree