Exscind is a relatively rare word that means to cut off or remove something completely. When searching for synonyms for this word, one might consider terms like eradicate, excise, delete, dismiss, annul, repeal, or abrogate. Each of these words carries a similar connotation of removing something entirely, whether it be a physical object, an idea, or a law. Other possible synonyms for exscind include expunge, eliminate, extirpate, and expel. When looking to replace the word exscind in a piece of writing, it's important to consider both the context and the tone in order to choose the most appropriate synonym.