The word "Estulic" is spelled using the International Phonetic Alphabet as /ɛs.tju.lɪk/. The first syllable is pronounced with the vowel sound "e" as in "bet," followed by the consonant cluster "st" and the vowel sound "yoo" as in "you." The final syllable is pronounced with the consonant "l" and the vowel "ih" as in "sit," followed by the consonant "k." The spelling of "Estulic" reflects the pronunciation of the individual sounds that make up the word.