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.
About Sundanese Language
According to Wikipedia.org, Sundanese is pronounced as basa sʊnda. It is a Malayo-Polynesian language that is spoken by Sundanese people. It has got 40 million native speakers in the western part of Java. They represent about 15% of the total population. You will be surprised to know that Sundanese has a lot of dialects. It includes western, northern, southern, mid-east, and northeast dialects. The Priangan dialect covers the largest areas of the Sundanese language. It is also taught in elementary schools and other forms of education. This language is written in different writing systems if we look at history. The old Sundanese script is also full of this writing script. If we talk about the Pegon script it is still commonly used among other options. There are around 18 consonants in Sundanese phonology.