Wingerter is a German surname pronounced as [ˈvɪŋɐtɐ]. The first syllable "Win" is pronounced as [vɪn], with the letter "W" pronounced as [v]. The second syllable "ger" is pronounced as [ɡɐ], with the letter "g" pronounced as [ɡ]. The letter "e" is silent in this word, and the final syllable "ter" is pronounced as [tɐ]. Therefore, the correct spelling of this surname is "W-i-n-g-e-r-t-e-r," with the emphasis on the first syllable.