The spelling of the word "zinsser" is quite straightforward once its phonetic transcription is understood. In IPA, it is represented as /zɪnsəɹ/. The initial consonant, /z/, is pronounced like the "z" in "zero." The following vowel, /ɪ/, sounds like the "i" in "bit." The second syllable begins with a nasal consonant, /n/, which is followed by the "s" sound, /s/. Finally, the word concludes with the "er" sound, as in "her" or "butter." Therefore, "zinsser" is spelled just as it sounds, with no silent letters or unusual letter combinations.