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 Korean Language
According to Wikipedia.org, The Korean language is the official language of North and South Korea. Around 48 million speakers live in South Korea while the other 24 million reside in North Korea. There are around 2 million speakers of the Korean language in China while 1 million are in the United States. The dialect of Korean is different in both North and South Korea. Even the spellings, alphabets, and vocabulary choices are different. The writing system features vernacular script and is now known as Hangul. There are two different types of vowels that include y or w. Some front vowels are written as e = [e], and ae = [ε] or [æ]. However, some of them are originally diphthongs. The Korean language is deeply influenced by Chinese but even then, it is completely different from it.