electrolysis vs depilation

electrolysis and depilation both are nouns.

Word	Noun	Adjective	Verb	Adverb
electrolysis	Yes	No	No	No
depilation	Yes	No	No	No

As nouns, depilation is a hypernym of electrolysis; that is, depilation is a word with a broader meaning than electrolysis:

electrolysis: removing superfluous or unwanted hair by passing an electric current through the hair root
depilation: the act of removing hair (as from an animal skin)

Other hypernyms of electrolysis include epilation.

electrolysis (noun)	depilation (noun)
removing superfluous or unwanted hair by passing an electric current through the hair root	the act of removing hair (as from an animal skin)
(chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions	the condition of being void of hair