* Tiya: This is the most common and general term for "aunt," referring to the sister of your parent.
* Tita: This is a more informal and affectionate term for "aunt." It's often used for younger or unmarried aunts.
* Alya: This term specifically refers to the aunt on your father's side (your father's sister).
* Hipag: This term refers to the sister of your spouse.
* Bilas: This term refers to the sister of your sibling-in-law.
It's best to ask your Filipino friend or family member how they refer to their aunt to be sure of the correct term to use.