The name "Adam Earnheardt" is spelled using the International Phonetic Alphabet (IPA) as /ˈædəm ˈɜːrnˌhɑːrt/. The first syllable, "Adam," is pronounced with a short "a" sound and an unstressed "uh" sound for the second syllable. The second part of the name, "Earnheardt," is pronounced with a long "e" sound, followed by an "er" sound, and the stressed syllable is the last one with a long "a" sound and a silent "t" at the end. This phonetic spelling helps to accurately pronounce the name, ensuring communication clarity.