About Thai Language
According to Wikipedia.org, Thai, also known as Central Thai is a Tai language of the Kra–Dai language family. It is spoken by the Central Thai people. A vast majority of Thai Chinese also speak Thai. It is the official language of Thailand. Thai is one of the most spoken languages. There are over 60 languages of Thailand but Thai is one of the most popular languages in Thailand. It is spoken by both native and overall speakers. Half of the Thai vocabulary is similar to Pali, Sanskrit, Mon, and Old Khmer. It is the analytic language and is very much similar to the Chinese and Vietnamese languages. Thai is a dominant language and is spoken by the majority of the society in Thailand. Thai language gained widespread popularity in Thailand and other parts of the world. The language is also adopted as the second language in the late 18th century. Ethnic minorities speak Thai other than their native language or dialect.
About Malay Language
According to Wikipedia.org, Malay is the official language of Indonesia, Malaysia, and Singapore. It is also spoken unofficially in many parts of Thailand. You will be surprised to know that the native speakers of this language exceed 290 million. There are around 260 million people in Indonesia alone who speak Malay. Standard Malay has many different names. It is also known as Court Malay. Speakers find it easy to distinguish this language from others. Malay is written in the Latin script but Arabic script is also a huge part of it. However, this Latin script is more common among people of Malaysia and Brunei. Since the 17th century, this language is inspired by Dutch and Britain. Jawi script was also replaced by Rumi script that is now officially used for many purposes. Malay features many non-native consonants that are borrowed from English and Arabic words.