The spelling of the word "onal" may seem strange at first glance, but its pronunciation is easier to understand when broken down phonetically. The IPA transcription for "onal" is /ˈɒnəl/, with the first syllable pronounced as "on" and the second syllable pronounced as "ul." The "a" in the first syllable is pronounced as a short "o" sound. The final "l" gives the word a sense of finality and completion. Overall, the spelling of "onal" accurately represents its pronunciation.