Auntie is more informal/colloquial way of saying aunt, it's used as a term of endearment for one's aunt. |auntie is a child’s word. 亲爱的老师阿姨我们感谢您! she is my auntie.
Some people just say aunt, and some say auntie.|auntie sounds more cute to me. Aunt is an adult word的同义词 伯母;阿姨;姑妈;姨妈;舅妈(aunt的昵称) 例句与用法 dear my teacher auntie thanks very much!