Keyboard is an essential component of modern computers and electronics, which is used for typing letters, numbers, and symbols. However, there are different synonyms for the word "keyboard" which can be used in different situations. Some of the common synonyms include "keypad," which refers to a set of keys used for entering numerical or mathematical data, and "typewriter," which is an older form of keyboard used in mechanical writing machines. Other synonyms like "keyset," "key panel," "computer input device" are used to describe different variations of computer keyboards. Overall, the use of synonyms for the word "keyboard" can add variety and versatility to written and spoken communication.