Proof has several uses; it can be a noun, an adjective, and rarely, a shortened form of the verb proofread. Prove is a verb that either means to demonstrate one's competence or to verify something.

Are proofs grammatically correct?

' Proof is an uncountable noun. Despite this it would seem it is a common mistake (paticularly in American English) to use “proofs”. Proof is both singular and plural, which means whether you want one, two or ten pieces of evidence it's always proof NEVER proofs.

Is proves the plural of proof?

The plural of "proof" is "proofs".