The spelling of the word "Sepic" contains four letters, but they do not necessarily match its pronunciation. According to IPA phonetic transcription, the word is pronounced /sɛpɪk/. The first syllable "sep" is pronounced like "step" without the "t" sound. The second syllable "ic" is pronounced like "ick". Despite the potential confusion in spelling and pronunciation, "Sepic" is a valid and recognizable word. It can refer to a type of DC-DC converter circuit used in electronic devices.
Pert. to sepia; done in sepia, as a drawing.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.