Conchas is a Spanish word that means 'shells'. Synonyms for this word include 'caracolas', 'valvas', and 'conuelas'. These words are also Spanish and have the same meaning as 'conchas'. Other synonyms for 'conchas' include 'caparazones', 'cáscaras', and 'cascos'. These words are not specific to the ocean or beach, as 'conchas' may indicate. Instead, they refer to a general type of shell that can be found in many different environments. Whether you're discussing a shoreline, a forest, or a desert, these synonyms can help you articulate the idea of a shell.