The word "yakkier" is spelled with two k's to represent the two distinct syllables in the word. The first syllable, "yak," is spelled with a k to represent the hard /k/ sound. The second syllable, "ier," is spelled withie to represent the long /i/ sound and a second k to indicate the syllable break. The IPA phonetic transcription for "yakkier" is /ˈjæk.i.ər/, with stress on the first syllable (marked with a 'ˈ') and each sound represented by a different symbol.