froth vs lather

froth and lather both are nouns.

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

As nouns, lather is a hyponym of froth; that is, lather is a word with a more specific, narrower meaning than froth:

Other hyponyms of froth include shaving foam, head, soapsuds, suds, spume, white water, whitewater.

As verbs, lather is a hyponym of froth; that is, lather is a word with a more specific, narrower meaning than froth:

As verbs, lather is a hyponym of froth; that is, lather is a word with a more specific, narrower meaning than froth:

Other hyponyms of froth include seethe.

froth (noun)	lather (noun)
a mass of small bubbles formed in or on a liquid	the froth produced by soaps or detergents
	the foam resulting from excessive sweating (as on a horse)
	a workman who puts up laths
	agitation resulting from active worry

froth (verb)	lather (verb)
exude or expel foam	rub soap all over, usually with the purpose of cleaning
become bubbly or frothy or foaming	exude sweat or lather
make froth or foam and become bubbly	form a lather
	beat severely with a whip or rod