Blamey is a word that is typically used to describe someone who is prone to assigning fault or responsibility to others, often unfairly or without sufficient evidence. Some effective synonyms for this term include accusing, reproaching, censuring, denouncing, faulting, and castigating. Other options to consider might include impugning, holding accountable, finger-pointing, indicting, or placing the blame. When searching for alternative words to use in place of "blamey", it can be useful to consider the nuances of each term, as well as any associated connotations or emotions that may come along with them. Ultimately, the choice of synonym will depend on the specific context and tone of the situation at hand.