leveling vs demolishing

leveling and demolishing both are nouns.

Word	Noun	Adjective	Verb	Adverb
leveling	Yes	No	No	No
demolishing	Yes	No	No	No

As nouns, leveling and demolishing are synonyms defined as:

Other synonyms of leveling include razing, tearing down.

leveling (noun)	demolishing (noun)
the act of making equal or uniform	complete destruction of a building
complete destruction of a building
changing the ground level to a smooth horizontal or gently sloping surface