The word "Kantner" is spelled using the IPA phonetic transcription as /kæntnər/. The first sound is a velar stop /k/, followed by the open-mid front unrounded vowel /æ/. The next two sounds are alveolar nasal consonants /nt/, and the final sound is a schwa vowel /ə/. The spelling of the word "Kantner" is consistent with English orthography, following the convention of using the letter "k" to represent the sound /k/ and the letter "e" to represent the schwa vowel sound.