Sker is a relatively uncommon word in English, but it is typically used to refer to a small rocky island or a rocky point on a shoreline. However, there are a variety of synonyms that can be used in place of sker, including crag, reef, outcrop, promontory, bluff, headland, and point. Each of these words has slightly different connotations and can be used in different contexts, but all generally refer to a rocky or rugged piece of terrain near the coast. Whether you're a writer looking for the perfect word to describe a particular landscape or simply interested in expanding your vocabulary, these synonyms for sker are a useful addition to your lexicon.