The correct spelling of "most moldered" is /məʊst ˈməʊldəd/. The word "moldered" is a past participle of the verb "molder", which means to decay or deteriorate over time. The addition of "most" to "moldered" makes the phrase superlative, indicating that something has decayed more than anything else. It is important to spell this word correctly to communicate effectively in writing, especially when discussing decay or deterioration in a particular context.