The word "opobasalm" may seem difficult to spell at first, but its pronunciation can be broken down using IPA phonetic transcription. Its correct spelling is /əʊpəʊˈbæsəm/, with the stress on the second syllable. The initial "o" sound is pronounced as a diphthong "oe." The "b" and "s" sounds are enunciated clearly, with a subtle pause between the two. The second "a" sound is pronounced as a short vowel, while the final "m" sound is pronounced clearly and firmly. Overall, practicing the pronunciation of the phonetic symbols can lead to mastering this spelling.