The spelling of the word "Zymofren" is determined by its pronunciation, which involves a combination of sounds from the English language. In IPA phonetic transcription, this word can be represented as /zʌɪməʊfrɛn/. The initial "zy" sound is a combination of "z" and "i" sounds, followed by a short "u" sound, "m" and "o" sounds. The last syllable contains an "f" sound, "r" sound, and "e" sound along with a short "e" vowel. This word is used in medical terminology to describe a type of antipsychotic medication.