flagellation vs lashing

flagellation and lashing both are nouns.

Word	Noun	Adjective	Verb	Adverb
flagellation	Yes	No	No	No
lashing	Yes	Yes	No	No

As nouns, flagellation and lashing are synonyms defined as:

flagellation and lashing: beating with a whip or strap or rope as a form of punishment

Other synonyms of flagellation include flogging, tanning, whipping.

flagellation (noun)	lashing (noun)
beating with a whip or strap or rope as a form of punishment	beating with a whip or strap or rope as a form of punishment
beating as a source of erotic or religious stimulation	rope that is used for fastening something to something else

flagellation (adjective)	lashing (adjective)
	violently urging on by whipping or flogging