The word "rundl," spelled /ˈrʌndəl/, refers to a small circular disc, often used in building or crafts. The pronunciation of the word is "run-dull," with stress placed on the first syllable. The spelling of the word follows the English convention of using the letter "r" to indicate the sound of the consonant, and the letter "u" to represent the short vowel sound of /ʌ/. The letter "l" at the end is pronounced as a voiced consonant, indicated by the diacritic symbol /ˈ/ placed before the word.