TESOL: Teaching English to Speakers of Other Languages
Umbrella acronym – also the term used for the American world movement.
TEFL: Teaching English as a Foreign Language
Also used by the British world movement, the name of which is IATEFL – International Association for Teachers of English as a Foreign Language.
TESL: Teaching English as a Second Language
Often used for immigrant populations.
TEAL: Teaching English as an Additional Language
TEIL: Teaching English as an International Language
TESP: Teaching English for Specific Purposes
EOP: English for Occupational Purposes
EAP: English for Academic Purposes
ESOL: English for Speakers of Other Languages
EFL: English as a Foreign Language
ESL: English as a Second Language