The spelling of the word "onega" can be confusing due to its unusual pronunciation. In IPA phonetic transcription, it is pronounced as /əʊˈnɛɡə/. The first syllable is pronounced as "oh" with a long "o" sound, while the second syllable is pronounced with a short "e" sound. The final syllable is pronounced as "ga" with a hard "g" sound. Remembering this can ensure the correct spelling of this word, which is often used in Russian to refer to a type of lake or district.