The study of the English language began first among Thai princes and some officers in the reign of King Rama IV and became more widespread in the reign of King Rama V. Since, the English words began overrun the Thai language. The improvement of education and technology in globalization is important to encourage Thai people’s interest in English language.
English language is mostly use in the world especially, Thailand use English as a second language. At present, more than 1000 English words are accepted in the standard Thai literature, not counting innumerous more in conversation forms and in informal usage among various professions in scientific, industrial, trading, and fashion circles. When a word is borrowed and adopted to be used in the other language, the way it is pronounced in the source language is always adjusted to suit the way it is done in the target language so that it is easier for the native speakers of the target language to pronounce and utter.