The spelling of "Opetide" can be explained with the use of the International Phonetic Alphabet (IPA). The word is pronounced as /əʊpɪtaɪd/. The first syllable "Ope" is pronounced as /əʊp/, with the stressed syllable being "ti" pronounced as /taɪd/. The use of the letter "i" in the last syllable represents the sound of the diphthong /aɪ/, while the letter "e" at the end is silent. The word "Opetide" is commonly used in the field of chemistry to refer to a type of cyclic peptide structure.