The word "HERPEX" is spelled with six letters and consists of two syllables. The pronunciation of this word can be transcribed phonetically as hɜːrpɛks. The first syllable is pronounced with the vowel sound "hɜːr" as in the word "herd." The second syllable consists of the consonant blend "pɛks" pronounced with a short "e" sound. The word "HERPEX" has no relation to the virus herpes, but instead refers to a brand name of a medication used to treat cold sores.