Caviled is a word that typically means to find fault or nitpick over trifles. However, there are several synonyms that can be used interchangeably depending on the context. Some of the common synonyms for caviled include criticise, censure, condemn, disparage, rebuke, and reproach. These words all convey the idea of finding fault or criticizing someone or something. Other related synonyms include fault-finding, carping, nitpicking, and quibbling. Ultimately, the choice of synonym will depend on the specific nuance of the situation and the writer's intended tone. Regardless of the word chosen, they all connote a level of critique or censure towards something or someone.