About Japanese Language
According to Wikipedia.org, Japanese is an East Asian language. It is spoken by about 128 million people. It is the official language of Japan. It is a member of the Japonic language family. The relation of Japanese to other languages is unclear. Japonic languages are grouped with many language families such as Ainu, Austroasiatic, Korean, and the now-discredited Altaia. Not much is known about the Japanese language's prehistory, and it is not known when it first appeared in Japan. Chinese documents from the 3rd century AD have recorded a few Japanese words, but texts appeared only after the 8th century. The Chinese language was the major language in Japan during the Heian period. The vocabulary and phonology of Old Japanese are influenced by the Chinese language. Late Middle Japanese is closer to the modern Japanese language. Japanese has a few similarities with the English language.
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.