The correct spelling of the word "Waldrup" is W-A-L-D-R-U-P. In IPA phonetic transcription, it would be /wɔːldrʌp/. The first syllable uses a "w" sound followed by the vowel "a" pronounced as "aw", creating the "wa" sound. The "ld" sound in the second syllable is pronounced as a single consonant sound, followed by the "ru" sound. The final syllable uses the "p" sound, making the word "Waldrup" easy to remember and spell correctly.