The spelling of the word "wendler" can be explained using the International Phonetic Alphabet (IPA) transcription. The first syllable of the word is pronounced as /wɛnd/ with the "w" representing the voiced labio-velar approximant sound, similar to the "w" in "water". The second syllable is pronounced as /lər/, with the "l" representing the voiced alveolar lateral approximant sound and the "ə" representing the schwa sound, similar to the "u" in "under". Together, the two syllables create the pronunciation of "wendler".