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 Arabic Language
According to Wikipedia.org, The Arabic language is spoken in a large area that includes North Africa and other parts of the world. This language is also widely popular in Arabian Peninsula and the Middle East. It is the language of the Quran and Muslims can read it with translations too. Quran is the sacred book of Islam that teaches us the way of living our life. Arabic is the language of Muslims that is divided into three forms. The three popular forms include classic and modern Arabic. The native speakers of Arabic are 350 million in number. There are around 32 varieties of Arabic but even the native speakers cannot differentiate among all. This language has influenced many other languages that including Turkish, Hindi, and Urdu. Currently Arabic is the language of 1.8 billion Muslims around the world. It is written beautifully in Arabic alphabets. However, there is no standard orthography.