wheal vs welt

wheal and welt both are nouns.

Word	Noun	Adjective	Verb	Adverb
wheal	Yes	No	No	No
welt	Yes	No	Yes	No

As nouns, wheal and welt are synonyms defined as:

wheal and welt: a raised mark on the skin (as produced by the blow of a whip); characteristic of many allergic reactions

Other synonyms of wheal include wale, weal.

wheal (noun)	welt (noun)
a raised mark on the skin (as produced by the blow of a whip); characteristic of many allergic reactions	a raised or strengthened seam
	a raised mark on the skin (as produced by the blow of a whip); characteristic of many allergic reactions

wheal (verb)	welt (verb)
	put a welt on
	beat severely with a whip or rod