When an alphabet is adopted or developed to represent a given language, an orthography generally comes into being, providing rules for spelling words, following the principle on which alphabets get based.
wˌɛn ɐn ˈælfəbˌɛt ɪz ɐdˈɑːptᵻd ɔːɹ dɪvˈɛləpt tə ɹˌɛpɹᵻzˈɛnt ɐ ɡˈɪvən lˈæŋɡwɪdʒ, ɐn ɔːɹθˈɑːɡɹəfi dʒˈɛnɚɹəli kˈʌmz ˌɪntʊ bˈiːɪŋ, pɹəvˈaɪdɪŋ ɹˈuːlz fɔːɹ spˈɛlɪŋ wˈɜːdz, fˈɑːloʊɪŋ ðə pɹˈɪnsɪpəl ˌɔn wˌɪtʃ ˈælfəbˌɛts ɡɛt bˈeɪst.