Synonyms and related words :
bas-relief, bellying, boldness, bulging, camber, convexedness, convexity, convexness, embossment, eminence, excrescence, excrescency, excurvation, excurvature, extrusion, gibbosity, gibbousness, high relief, low relief, projection, prominence, protrusion, protuberance, protuberancy, relief, salience, salient, tuberousness