Scripts
Russian and Ukrainian write in Cyrillic, Polish and Czech in Latin, and BCS in both — Serbian officially in Cyrillic and Latin alike. The letters map closely, and each language has its own national letters.
Transliterator
Russian and Ukrainian use the scholarly (Slavist) transliteration — the same letters Czech and BCS write with. BCS conversion is exact in both directions.
Cyrillic
- А аaa
From Greek alpha.
Used in: Russian, Ukrainian, BCS (Cyrillic)мама
- Б бbb
Made for Slavic: Greek beta had become [v].
Used in: Russian, Ukrainian, BCS (Cyrillic)брат
- В вvv ʋ
From Greek beta, read [v]; Ukrainian [ʋ], [w] before consonants and word-finally.
Used in: Russian, Ukrainian, BCS (Cyrillic)вода
- Г гg / hɡ ɦ
Russian and BCS [ɡ]; Ukrainian [ɦ] (the g → h shift), transliterated h.
Used in: Russian, Ukrainian, BCS (Cyrillic)голова
- Д дdd
From Greek delta.
Used in: Russian, Ukrainian, BCS (Cyrillic)дом
- Е еeje ɛ e
Russian [je] or softens the consonant; Ukrainian and BCS plain [ɛ]/[e].
Used in: Russian, Ukrainian, BCS (Cyrillic)небо
- Ж жžʐ ʒ
Glagolitic origin; [ʐ] in Russian, [ʒ] in Ukrainian and BCS.
Used in: Russian, Ukrainian, BCS (Cyrillic)жена
- З зzz
From Greek zeta.
Used in: Russian, Ukrainian, BCS (Cyrillic)зуб
- И иi / yi ɪ
Russian and BCS [i]; Ukrainian [ɪ], transliterated y (it answers Russian ы).
Used in: Russian, Ukrainian, BCS (Cyrillic)мир
- Й йjj
Short i: the glide [j] after vowels.
Used in: Russian, Ukrainianмой
- К кkk
From Greek kappa.
Used in: Russian, Ukrainian, BCS (Cyrillic)кот
- Л лll ɫ
Hard [ɫ] or soft [lʲ] in Russian and Ukrainian.
Used in: Russian, Ukrainian, BCS (Cyrillic)лето
- М мmm
From Greek mu.
Used in: Russian, Ukrainian, BCS (Cyrillic)море
- Н нnn
From Greek nu.
Used in: Russian, Ukrainian, BCS (Cyrillic)нос
- О оoo ɔ
Russian unstressed о is reduced: молоко [məlɐˈko].
Used in: Russian, Ukrainian, BCS (Cyrillic)око
- П пpp
From Greek pi.
Used in: Russian, Ukrainian, BCS (Cyrillic)пять
- Р рrr
From Greek rho.
Used in: Russian, Ukrainian, BCS (Cyrillic)рука
- С сss
From the lunate Greek sigma.
Used in: Russian, Ukrainian, BCS (Cyrillic)сон
- Т тtt
From Greek tau.
Used in: Russian, Ukrainian, BCS (Cyrillic)три
- У уuu
From the Greek digraph ου.
Used in: Russian, Ukrainian, BCS (Cyrillic)ухо
- Ф фff
Greek phi; almost only in loans — Slavic had no native f.
Used in: Russian, Ukrainian, BCS (Cyrillic)фабрика
- Х хx / hx
[x], transliterated x in linguistics (Czech/Polish ch, BCS h).
Used in: Russian, Ukrainian, BCS (Cyrillic)хлеб
- Ц цcts
[ts], Latin c in Polish, Czech and BCS.
Used in: Russian, Ukrainian, BCS (Cyrillic)отец
- Ч чčtɕ tʃ
[tɕ] in Russian, [tʃ] in Ukrainian and BCS.
Used in: Russian, Ukrainian, BCS (Cyrillic)час
- Ш шšʂ ʃ
From Glagolitic; [ʂ] Russian, [ʃ] Ukrainian and BCS.
Used in: Russian, Ukrainian, BCS (Cyrillic)шум
- Щ щščɕː ʃtʃ
Russian [ɕː], Ukrainian [ʃtʃ]. BCS has no щ: the cluster is written шт/šć.
Used in: Russian, Ukrainianщи
- Ъ ъʺj
Hard sign: once a yer vowel, now only a separator before я ю е ё.
Used in: Russianподъезд
- Ь ьʹʲ
Soft sign: once a yer vowel, now marks palatalization.
Used in: Russian, Ukrainianдень
- Ю юjuju
[ju], or u softening the consonant.
Used in: Russian, Ukrainianюг
- Я яjaja
[ja], or a softening the consonant; continues the nasal *ę in пять, мясо.
Used in: Russian, Ukrainianяблоко
Latin letters with diacritics
- sz cz dżш ч джʂ tʂ dʐ
Polish digraphs for Russian ш ч, Czech/BCS š č dž.
Used in: Polishszum
- Ch chхx
Polish and Czech ch [x] (Polish h sounds the same); BCS writes h.
Used in: Polish, Czechchléb
- H hг [ɦ] / хɦ x
Czech h is [ɦ] (from *g: hora = гора); Polish h and BCS h are [x].
Used in: Czech, Polish, BCS (Latin)hora