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 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.