The phrase "nail to a cross" is a vivid expression that refers to the act of accusing someone of wrongdoing, and holding them responsible for it. While this phrase is one way to describe this action, there are several other synonyms that can be used to convey the same meaning. Some alternatives include "crucify," "vilify," "condemn," "blame," "accuse," "incriminate," "point fingers," and "scapegoat." All of these phrases suggest a situation where someone is being held accountable for something, whether or not they are actually guilty. Using different synonyms can help to add variety and nuance to writing, while still effectively communicating the intended message.