The spelling of the word "Corteney" can be explained using IPA phonetic transcription. The first syllable "cor" is pronounced with a short "o" sound and the "r" sound is prominent. The second syllable "te" has a soft "e" sound and the "t" is enunciated. The final syllable "ney" has a long "a" sound and the "n" and "y" sounds are emphasized. Altogether, the correct spelling of the word is "Courtney", which is pronounced as /kɔːt.ni/.