Botulf is an old English word that refers to a name of saint Botwulf. The word is spelled as /bəʊtʌlf/ in IPA phonetic transcription. The initial syllable of the word is pronounced as ‘bəʊ’ which represents the English diphthong /əʊ/. The second syllable ‘tʌlf’ is pronounced as /tʌlf/ where ‘t’ and ‘l’ are pronounced separately. Overall, the spelling of the word Botulf follows the traditional English pronunciation rules without any silent letters.