The word "sonda" is a Spanish word that means "probe" or "detector" in English. There are several synonyms for "sonda" in the Spanish language, and these include "explorador," "dispositivo de medición," "detector," and "instrumento de investigación". Each of these synonyms has a slightly different connotation, and they can be used interchangeably depending on the context in question. For example, "explorador" is often used when referring to an explorer or someone on a mission to uncover new information. "Dispositivo de medición" is used to describe a measuring device, and "detector" is often used in reference to a device that detects something, such as a metal detector.