lather vs leather

lather and leather both are nouns.

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

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

Other hyponyms of lather include flagellate, scourge, horsewhip, switch, cowhide, cat, birch.

lather (noun)	leather (noun)
the froth produced by soaps or detergents	an animal skin made smooth and flexible by removing the hair and then tanning
the foam resulting from excessive sweating (as on a horse)
a workman who puts up laths
agitation resulting from active worry

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