"Jenness" is spelt with a "j" followed by two "n"s and two "e"s. In IPA phonetic transcription, this word is pronounced as /ˈdʒɛnəs/. The "j" sound is represented by the phonetic symbol /dʒ/, which is a voiced postalveolar affricate. The first "e" sound is represented by /ɛ/, which is an open-mid front unrounded vowel, while the second "e" is represented by /ə/, which is a schwa sound. Overall, the spelling of "jenness" accurately reflects its pronunciation in IPA phonetic transcription.