convex,"['bulging', 'bellshaped ', 'biconvex ', 'convexoconvex ', 'lenticular ', 'lentiform ', 'brokenbacked ', 'hogged ', 'convexoconcave ', 'gibbous ', 'gibbose ', 'helmetshaped ', 'nippleshaped ', 'planoconvex ', 'umbellate ', 'umbellike ', 'protrusive ', 'concave ']"