The spelling of the word "niebel" can be explained with the IPA phonetic transcription /ˈniːbəl/. The first syllable "nie" is pronounced with a long "e" sound and the second syllable "bel" is pronounced with a short "e" sound. The letter "i" in the first syllable represents the long "e" sound, while the letter "e" in the second syllable represents the short "e" sound. The letter "b" is pronounced with a voiced bilabial plosive, and the letter "l" with a voiced alveolar lateral approximant.