Mandarin:
* 爸爸 (bàba): This is the most common and informal term for "dad." It is used by children and young adults.
* 父亲 (fùqīn): This is a more formal term for "dad," often used in official documents or when addressing someone in a respectful manner.
* 爹 (diē): This is a more traditional term for "dad," often used by older people or in rural areas.
Cantonese:
* 爸爸 (bàba): Similar to Mandarin, this is the most common and informal term for "dad."
* 爹哋 (dīdī): This is another common term for "dad" in Cantonese, often used by children and young adults.
* 父親 (fùqīn): This is the formal term for "dad" in Cantonese, similar to Mandarin.
It is important to note that the usage of these terms can vary depending on the region, family background, and personal preferences.