Romaja is a term used in the Korean language to describe the Romanization of the Korean alphabet. There are a few synonyms for this term that can be used interchangeably, depending on context and preference. One of the most commonly used synonyms is "Revised Romanization," which refers to the current standard system of Romanization of the Korean language in South Korea. Other synonyms include "Romanized Korean" and "Korean transliteration." These terms are all used to describe the process of converting the Korean language from its native script to the Latin script. Overall, these synonyms are useful for understanding the process of learning and using Korean language and can be used to enhance one's knowledge of the subject.