The correct spelling of the word "wert out line" is actually "word outline." The mistake may have been due to a typographical error or misheard pronunciation. In IPA phonetic transcription, the correct pronunciation of "word outline" is /wɜrd ˈaʊtlaɪn/. The key sounds are the stressed syllable "wɜrd" and the diphtong "aʊ" in "ˈaʊt". It's important to always double-check spelling to ensure clear communication in written language.