The word "Wahnita" is pronounced as /wɑːˈniːtə/. The first sound is a "wa" sound, which is represented by the letters "w" and "a". This is followed by an "n" sound, represented by the letter "n". The next sound is a long "ee" sound, represented by the letters "i" and "e". The final sound is a "tuh" sound, represented by the letter "t" and the vowel sound "uh". Therefore, the correct spelling of the word "Wahnita" is derived from the sounds of its pronunciation.