Sponseller is a surname that is spelled exactly as it sounds. The word can be broken down into three syllables, "spon-sell-er". The first two syllables have the same vowel sound, an "o" pronounced as /ɑ/, like in the word "hot". The final syllable has the "er" sound, written as /ər/. In IPA phonetic transcription, the word is spelled as /ˈspɑnˌsɛlər/. Overall, the spelling of "sponseller" perfectly reflects its pronunciation.