Some national languages like Finnish, Armenian, Turkish, Russian, Serbo-Croatian (Serbian, Croatian, and Bosnian), and Bulgarian have a very regular spelling system with nearly one-to-one correspondence between letters and phonemes.
sˌʌm nˈæʃənəl lˈæŋɡwɪdʒᵻz lˈaɪk fˈɪnɪʃ, ɑːɹmˈiːniən, tˈɜːkɪʃ, ɹˈʌʃən, sˈɜːboʊkɹoʊˈeɪʃən sˈɜːbiən, kɹoʊˈeɪʃən, ænd bˈɑːsniən, ænd bʌlɡˈɛɹiən hæv ɐ vˈɛɹi ɹˈɛɡjʊlɚ spˈɛlɪŋ sˈɪstəm wɪð nˌɪɹli wˈʌntəwˈʌn kˌɔːɹɪspˈɑːndəns bᵻtwˌiːn lˈɛɾɚz ænd fˈoʊniːmz.