About Ukrainian Language
According to Wikipedia.org, Ukrainian is known as Ruthenian. It is an East Slavic language of the Indo-European language family. It is one of the Slavic languages and is a part of the larger Balto-Slavic branch. Ukrainian is the native language of Ukrainians. It is the official state language of Ukraine. The written script of Ukrainian uses the Cyrillic script. The Ukrainian language has a long history and is closely connected to the Old East Slavic of the early medieval state of Kyivan Rus. After Kyivan Rus and the Kingdom of Ruthenia lost their dominance the language developed in the form of the Ruthenian language. It is inspired by modern Ukraine and was also used in liturgical services. The Ukrainian language became common during the 17th century. It maintained major popularity in Western Ukraine, and the language was never banned over there.
About Belarusian Language
According to Wikipedia.org, Belarus is a popular country in Eastern Europe but it got independence in 1991. This country was traditionally known as Belorussia or White Russia. It is one of the smallest among the three Slavic republics of the Soviet Union. The larger ones are Russia and Ukraine. Belarusian and Russian are the official languages of Belarus. Even the dialects are transitional in both. If we talk about the written form it features Cyrillic alphabets. The loanwords are taken from both Polish and Russian. These words are also reflective of the history of the region. The total number of Belarusian speakers is 5.1 million. About 85.6% of Belarusians have declared it as their mother tongue. All the native speakers speak this language in their daily communications.