TESOL is the commonly used acronym for the field of Teaching English to Speakers of Other Languages. However, there are several other synonyms for TESOL that are commonly used in the field. One of the most common terms is TEFL, which stands for Teaching English as a Foreign Language. This term is often used in reference to teachers who work in countries where English is not the primary language. Another synonym is TESL, or Teaching English as a Second Language. This term is often used in reference to teachers who work with students who have already acquired some level of proficiency in English. Regardless of the term used, the goal is always the same: to help students gain proficiency in English as a second language.