The spelling of the word "more lastword" can be explained by its phonetic transcription in IPA: /mɔːr lɑːst wɜːrd/. The word "more" is pronounced with the long vowel sound /ɔː/, while "last" uses the broad "a" sound /ɑː/. "Word" is pronounced with the short "u" sound /ʌ/. The overall spelling of "more lastword" emphasizes the distinct pronunciations of each syllable, making it easy to differentiate from words with similar sounds such as "moralist" or "westward".