The spelling of the word "Cooksey" can be explained using IPA phonetic transcription. The first sound is the "k" sound which is pronounced as /k/. Then comes the "u" sound which is pronounced as /ʊ/. The following "k" sound is pronounced as /k/ again. The "s" is pronounced as the voiceless alveolar fricative /s/ and the "e" is pronounced as the mid front unrounded vowel /ɛ/. Finally, the "y" is pronounced as a consonant /j/. Therefore, the word "Cooksey" is pronounced as /ˈkʊksi/.