About Russian Language
According to Wikipedia.org, Russian is a popular East Slavic language. It is widely spoken in Russia and Eastern Europe. This is a part of the Indo-European language family and is among the four living East Slavic languages. Russian is the official language of Russia, Belarus, Kazakhstan, and Kyrgyzstan. Interestingly widely spoken in Ukraine, the Caucasus, Central Asia, and many other Baltic states. Russian is spoken by over 258 million speakers all over the world. It is written in the Cyrillic script. You can easily distinguish between consonant phonemes with palatal articulation. It has a combination of soft and hard sounds. This distinction is a prominent feature of Russian. Another aspect is the reduction of vowels that are not stressed. Some homographic words include замо́к (zamók – a 'lock') and за́мок (zámok – a 'castle'). You may not be able to indicate the pronunciation of uncommon words.
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.