The word "speth" is an uncommon term that is often misspelled due to its irregular spelling. It is pronounced as /spɛθ/ with a soft "e" sound and a voiced "th" at the end. The IPA phonetic transcription of this word accurately represents its pronunciation and helps to explain its unusual spelling. The correct spelling of "speth" is often forgotten, leading to confusion and misspellings in written communication. Ensuring proper spelling of uncommon words like "speth" is essential in effective communication.