U (Cyrillic) facts for kids

Cyrillic letter Oo
Cyrillic alphabet
А	Б	В	Г	Ґ	Д	Ђ
Ѓ	Е	Ѐ	Ё	Є	Ж	З
Ѕ	И	Ѝ	І	Ї	Й	Ј
К	Л	Љ	М	Н	Њ	О
П	Р	С	Т	Ћ	Ќ	У
Ў	Ф	Х	Ц	Ч	Џ	Ш
Щ	Ъ	Ы	Ь	Э	Ю	Я
Non-Slavic letters
Ӑ	Ӓ	Ә	Ӛ	Ӕ	Ғ	Ҕ
Ӻ	Ӷ	Ԁ	Ԃ	Ӗ	Ӂ	Җ
Ӝ	Ԅ	Ҙ	Ӟ	Ԑ	Ӡ	Ԇ
Ӣ	Ҋ	Ӥ	Қ	Ӄ	Ҡ	Ҟ
Ҝ	Ԟ	Ԛ	Ӆ	Ԓ	Ԡ	Ԉ
Ԕ	Ӎ	Ӊ	Ң	Ӈ	Ҥ	Ԣ
Ԋ	Ӧ	Ө	Ӫ	Ҩ	Ҧ	Ҏ
Ԗ	Ҫ	Ԍ	Ҭ	Ԏ	Ӯ	Ӱ
Ӳ	Ү	Ұ	Ҳ	Ӽ	Ӿ	Һ
Ҵ	Ҷ	Ӵ	Ӌ	Ҹ	Ҽ	Ҿ
Ӹ	Ҍ	Ӭ	Ԙ	Ԝ	Ӏ
Old letters
Ҁ	Ѻ	ОУ	Ѡ	Ѿ	Ѣ	Ꙗ
Ѥ	Ѧ	Ѫ	Ѩ	Ѭ	Ѯ	Ѱ
Ѳ	Ѵ	Ꙟ
List of Cyrillic letters
Cyrillic digraphs

The letter Oo (У, у) is the eighteenth letter you'll find in the Cyrillic alphabet. It makes a sound like the "oo" in "moon" or "flute."

This letter has a cool history! It came from the ancient Greek letter called upsilon. Think of it as the Cyrillic cousin to the Roman letter U.

Related letters

• Υ, υ - Upsilon (Greek): The Greek letter that inspired Cyrillic Oo.
• U, u (Roman): The Latin letter that sounds similar and looks a bit like Cyrillic Oo.
• Y, y (Roman): Another Latin letter that shares some history with Upsilon.