lather vs welt

lather and welt both are nouns.

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

As verbs, lather and welt are synonyms defined as:

Other synonyms of lather include flog, lash, slash, strap, trounce, whip.

lather (noun)	welt (noun)
the froth produced by soaps or detergents	a raised or strengthened seam
the foam resulting from excessive sweating (as on a horse)	a raised mark on the skin (as produced by the blow of a whip); characteristic of many allergic reactions
a workman who puts up laths
agitation resulting from active worry

lather (verb)	welt (verb)
rub soap all over, usually with the purpose of cleaning	put a welt on
exude sweat or lather	beat severely with a whip or rod
form a lather
beat severely with a whip or rod