lavation vs washing

lavation and washing both are nouns.

Word	Noun	Adjective	Verb	Adverb
lavation	Yes	No	No	No
washing	Yes	No	No	No

As nouns, lavation and washing are synonyms defined as:

lavation and washing: the work of cleansing (usually with soap and water)

Other synonyms of lavation include wash.

lavation (noun)	washing (noun)
the work of cleansing (usually with soap and water)	the work of cleansing (usually with soap and water)
	garments or white goods that can be cleaned by laundering