<P> Thai alphabet ( Thai : อักษร ไทย ; RTGS : akson thai ; ( ʔàksɔ̌ːn thāj ) listen ) is used to write the Thai , Southern Thai and other languages in Thailand . It has 44 consonant letters ( Thai : พยัญชนะ , phayanchana ) , 15 vowel symbols ( Thai : สระ , sara ) that combine into at least 28 vowel forms , and four tone diacritics ( Thai : วรรณยุกต์ or วรรณ ยุต , wannayuk or wannayut ) . </P>
how many vowels are in the thai alphabet
, phayanchana ) , 15 vowel symbols ( Thai : สระ , sara ) that combine into at least