Is again the correct spelling?
Correct spelling for the English word “again” is [ɐɡˈɛn], [ɐɡˈɛn], [ɐ_ɡ_ˈɛ_n] (IPA phonetic alphabet).
How do you spell with?
Correct spelling for the English word “With” is [wˈɪð], [wˈɪð], [w_ˈɪ_ð] (IPA phonetic alphabet).