For grandfather on the father's side:
* Dada Ji (ਦਾਦਾ ਜੀ) - This is the most common and respectful term.
* Nanaji (ਨਾਨਾ ਜੀ) - This is sometimes used as a more affectionate term.
For grandfather on the mother's side:
* Nana Ji (ਨਾਨਾ ਜੀ) - This is the most common and respectful term.
* Dadaji (ਦਾਦਾ ਜੀ) - This is sometimes used as a more affectionate term.
For a grandmother:
* Dadi Ji (ਦਾਦੀ ਜੀ) - This is the most common and respectful term for a grandmother on either side.
* Nani Ji (ਨਾਨੀ ਜੀ) - This is also a respectful term for a grandmother, often used for a grandmother on the mother's side.
It's important to note that the specific word used can vary slightly depending on the region and the speaker's personal preference.