The spelling of the word "RBOIL" is unusual and appears to have no clear pronunciation. However, when broken down into its individual letters, it can be interpreted as "ar-bwɔɪl." The "ar" represents the distinct vowel sound of "ah," while "bwɔɪl" is similar to the pronunciation of "boil." The letter "r" in "RBOIL" is likely silent and used as a stylistic choice. Despite its unorthodox spelling, "RBOIL" can still be understood and pronounced with the help of IPA phonetic transcription.