The spelling of the word "Therrell" is a common name in the English language. It is pronounced /θəˈrɛl/. The first syllable "ther" is pronounced with the voiceless dental fricative /θ/, similar to the "th" sound in "think". The second syllable "rell" is pronounced with the vowel sound /ɛ/, as in "set". The double "r" in the spelling represents a slightly rolled or tapped "r" sound. Overall, the correct spelling and pronunciation of this name is crucial for effective communication in English.