The spelling of the word "more longtime" may cause confusion due to a lack of clarity in its pronunciation. This term is typically pronounced as /mɔː lɒŋˈtaɪm/ with a stressed syllable on "long". However, it is worth noting that there is no clear rule for writing this word. Some may write it as "more long time" to avoid confusion, while others will continue to use "more longtime". Ultimately, the correct spelling will depend on context and personal preference.