The word "Pumpstock" is spelled as /ˈpʌmpstɒk/ in IPA phonetic transcription. The first syllable is pronounced with the vowel sound /ʌ/ as in "dumb". The second syllable contains the consonant cluster /mp/ followed by the vowel sound /o/ as in "hot". The final syllable is pronounced with the same vowel sound as the second syllable /ɒ/ as in "lot" and the consonant cluster /st/ as in "post". The correct spelling of the word is important for clear communication and accurate interpretation.