The word "jefferds" is spelled with two "f's" and one "d," pronounced as /ˈdʒɛfərdz/. The first syllable is pronounced like "Jeff" as in the name, followed by an "er" sound and ending with a "dz" sound. In phonetic terms, the word is made up of the voiced palato-alveolar affricate /dʒ/, the open-mid front unrounded vowel /ɛ/, the voiced alveolar fricative /f/, the same alternating with the voiced dental fricative /ð/ sound, and finally the voiceless alveolar affricate/fricative /ts/ sound.