The spelling of the word "farul" can be explained using the International Phonetic Alphabet (IPA) transcription. The word "farul" is pronounced as /fæɹʊl/, with the letter "a" pronounced as "æ", the letter "u" as "ʊ", and the letter "r" as "ɹ". The sound "f" is represented by the /f/ symbol. The symbol "l" denotes the ending of the word. Overall, the spelling of "farul" follows the conventions of English phonology, with each sound represented by a specific letter or symbol in the IPA transcription.