The spelling of the word "KAAP" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. In this transcription system, "KAAP" is spelled /kæp/. This means that the word starts with the sound /k/, which is a voiceless velar plosive. The following sound is /æ/, which is an open front unrounded vowel. Finally, "KAAP" ends with the sound /p/, which is a voiceless bilabial plosive. This transcription accurately represents the sounds that make up the word "KAAP."