Here are some additional ways to say "father" in Japanese:
* 父 (chichi): This is a more formal and literary way to say "father."
* パパ (papa): This is a more informal and casual way to say "father," similar to "dad" in English.
* おとうと (otōto): This is a more affectionate and familiar way to say "father."
The best way to choose which word to use depends on the context and your relationship with the person you are talking to.