The spelling of the word "Nigrin" is based on the English language phonetic rules. The word is pronounced as /ˈnaɪ.ɡrɪn/ in IPA phonetic transcription. The first syllable /naɪ/ is pronounced with the diphthong sound of the vowel 'i' followed by a consonant sound 'g'. The second syllable /ɡrɪn/ is pronounced with the consonant sound 'g' followed by the vowel sound 'i' and the consonant sound 'n'. The spelling of "Nigrin" reflects the letter sounds in the order they appear in the word.