Romaji is a Japanese word that refers to the Romanized Japanese writing system, which is a way to write Japanese using the Latin alphabet. Synonyms for Romaji include Roman script, Latin script, and Japanese Romanization. Roman script refers to the use of the letters of the Latin alphabet to represent a language that does not normally use Latin script. Latin script refers to the script used in the Western European languages, which is based on the Latin alphabet. Japanese Romanization is the process of writing Japanese words using the Roman alphabet. These synonyms all refer to the same idea of using the Latin script to write Japanese words and phrases.