The correct spelling of the word "more headmost" is "most headmost". It is pronounced [məʊst hɛdˈməʊst]. The word "most" means "greatest in quantity or degree", while "headmost" means "at or nearest the front". So "most headmost" means the most forward or frontmost position. This word is rarely used in modern English and is more commonly seen in poetry or literature. It is important to use accurate spelling in written communication to avoid confusion and maintain clarity.