In spellings of the eighteenth century, it was also used after some vowels, where it has since been replaced with в or (rarely) у . For example, a Greek prefix originally spelled аѵто- (equivalent to English auto-) is now spelled авто- in most cases and ауто- as a component in some compound words., У is the 21st letter in the Russian alphabet and the Cyrillic script. It commonly represents the close back rounded vowel /u/, somewhat like the pronunciation of oo in "boot" or rule. У looks like Y, but with U’s color and with a curve, also being with the lack of eyelashes as У is a male. The forms of the Cyrillic letter U are similar to the lowercase of the Latin letter Y (Y y; Y y , У, у (название: у) — буква вÑех ÑлавÑнÑких кирилличеÑких алфавитов (20-Ñ Ð² болгарÑком, 21-Ñ Ð² руÑÑком и белоруÑÑком, 24-Ñ Ð² ÑербÑком и украинÑком, 25-Ñ Ð² македонÑком); иÑпользуетÑÑ Ñ‚Ð°ÐºÐ¶Ðµ в алфавитах , у (transliteration needed) (lower case, upper case У) The twenty-seventh letter of the Alutor alphabet, written in the Cyrillic script., У, у — Буква вÑех ÑлавÑнÑких кирилличеÑких алфавитов; иÑпользуетÑÑ Ñ‚Ð°ÐºÐ¶Ðµ в пиÑьменноÑÑ‚ÑÑ… некоторых неÑлавÑнÑких народов., .