1) uncle = "ลุง - loong" (elder brother of father or mother) or "อา - aa" (younger brother or sister of father) ///
2) aunt = "ป้า - bpaa" (elder sister of father or mother) or "น้า - naa" (younger brother or sister of mother) ///
Enter the above 4 thai words into the look up box of http://www.thai-language.com to listen to the audio.