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 Tajik Language
According to Wikipedia.org, Tajik is a form of Persian that is spoken in Tajikistan, Uzbekistan, Kyrgyzstan, Kyrgyzstan, China, and Kazakhstan. The total number of Tajik speakers is 8 million that including 6.3 million in Tajikistan itself. You will be surprised to know that the Persian language in Tajikistan was renamed Tajik by Stalin in 1932. This was done to differentiate Persian speakers in Iran and Central Asia. Before 1928 Tajik was written in Perso-Arabic script. However, from 1928 to 1940 it was modified with the Cyrillic alphabet. There were a lot of people who wanted to switch it to the Latin alphabet. The Tajik dialects are separated into northern, central, southern, and Southeastern dialects. Most of the politicians and other officials usually make their speeches in the Kulob dialect. There is a total of six vowels in this language.