ruining vs laying waste

ruining and laying waste both are nouns.

Word	Noun	Adjective	Verb	Adverb
ruining	Yes	No	No	No
laying waste	Yes	No	No	No

As nouns, ruining and laying waste are synonyms defined as:

ruining and laying waste: destruction achieved by causing something to be wrecked or ruined

Other synonyms of ruining include ruin, ruination, wrecking.

ruining (noun)	laying waste (noun)
destruction achieved by causing something to be wrecked or ruined	destruction achieved by causing something to be wrecked or ruined