The spelling of the word "Waltman" can be explained using IPA phonetic transcription. The initial sound is /w/, followed by the sound /ɔ/, which is an open-mid back rounded vowel. Next is the sound /l/ followed by the sound /t/ and /m/. The final sound is a nasalized /æ/ which means it is pronounced with air flowing through the nose. The spelling of "Waltman" accurately represents the sounds heard when pronouncing the word.