What is another word for "crag"?

Roget's Thesaurus (1911) lists these synonyms for "crag": adamant, adamantean, adamantine, alluvial, alluvion, alluvium, ancon, ashore, bank, beach, block, board, bone, bony, brick, buckram, calculous, callosity, cartilage, cartilaginous, cast, cement, chalk, chersonese, clay, cledge, clod, clot, coast, coastal, come, concrete, continent, continental, corneous, crystal, crystallization, deal, debark, delta.