The spelling of the word "cumpston" may seem unusual, but it follows the principles of English phonetics. In IPA phonetic transcription, the word is spelled /ˈkʌmpstən/. The "u" is pronounced as in "hut" and the "o" as in "hot". The "m" and "p" sounds are pronounced separately, followed by a "st" blend, which is represented by the "s" and "t" letters. The second "o" is pronounced like "uh", and the final "n" is similar to "en". Overall, the spelling of "cumpston" reflects the sounds that make up the word according to English pronunciation rules.