The spelling of the word Holtzen can be confusing due to its unique combination of consonants. Using IPA phonetic transcription, we can break down the pronunciation of this word as follows: /ˈhoʊltzen/. The emphasis is on the first syllable "holt" and the "z" at the end is pronounced as a voiced "s" sound. The "t" and "z" sounds are both voiceless dental consonants, which are produced by placing the tongue against the teeth. Overall, the spelling of Holtzen reflects its Germanic origin and phonetic complexity.