On a more technical level, TESOL (Teaching English to Speakers of Other Languages) is the term applied to the teaching of English to non-native speakers in native English speaking countries
so those who will earn degrees and work domestically in the field in the UK, Canada, Australia, Ireland, New Zealand, and South Africa and US will typically use the term “TESOL.”Your TEFL journey starts here!
In practical terms, when these terms are applied to the field of teaching English abroad, there is little or no difference between “TEFL” and “TESOL.” They are both acronyms that essentially mean the same thing