working man vs lather

working man and lather both are nouns.

Word	Noun	Adjective	Verb	Adverb
working man	Yes	No	No	No
lather	Yes	No	Yes	No

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

working man (noun)	lather (noun)
an employee who performs manual or industrial labor	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

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