Is the Ukrainian language similar to other languages?

 Yes, the Ukrainian language is very similar to other Slavic languages, sharing a common ancestor in the Slavic language family. [1, 2]

Closest Related Languages

Ukrainian belongs to the East Slavic branch, but its vocabulary and features overlap heavily with several neighboring European tongues: [1]

• Belarusian: Ukrainian's closest relative, sharing about 84% of its vocabulary.
• Polish: Shares roughly 70% of lexical similarity with Ukrainian due to centuries of historical proximity.
• Slovak: Shares about 68% of vocabulary with Ukrainian.
• Russian: Shares about 62% of vocabulary, making it comparable to the lexical distance between English and Italian or French and Portuguese. [1, 2, 3]

Key Similarities and Differences

• Alphabet: Like Russian and Belarusian, Ukrainian uses a version of the Cyrillic alphabet, though Ukrainian includes unique characters (such as Ґ, Є, І, Ї) not found in standard Russian. [1, 2]
• Mutual Intelligibility: According to native speakers and commenters on r/languagelearning, many Ukrainians easily understand Russian due to media exposure, but monolingual Russian speakers from Russia often find spoken Ukrainian difficult to understand without prior learning. [1, 2, 3]
• Grammar: Ukrainian preserves specific ancient Slavic features—such as the vocative case for addressing people directly—that were lost in modern Russian. [1, 2]