What is the correct phonetic term for the letter 'K'?

The term 'Kilo' is the correct phonetic representation for the letter 'K' in phonetic alphabets, such as the NATO phonetic alphabet. This system was established to ensure clear communication over radio and telephone, particularly in military and aviation contexts, where miscommunication can have serious repercussions.

Each letter corresponds to a specific word in this alphabet for clarity. For the letter 'K', 'Kilo' was chosen because of its distinctiveness and ease of recognition. This reduces the chance of confusion with similar-sounding letters, which is critical in high-stakes communication environments.

The other choices, while they may represent words that start with the letter 'K', do not serve as recognized phonetic terms for clarity in communication.