The hungry cat scratched at the back door what is at here an verb nouon or what?

there is an adjective, a noun, a verb, and a preposition

Explanation:

hope this helps

voracity is the noun corresponding to the adjective voracious, which means (1) eager to consume a great amount of food, or (2) marked by an insatiable appetite. veracity is far more common than the rare voracity, so the latter is sometimes used in place of the former.

no, but sometimes i do.