Which of the following is the NATO word for the letter 'P'?

The NATO phonetic alphabet assigns specific words to each letter of the alphabet to ensure clear communication, especially in noisy environments or over radio transmissions. The word "Papa" is used to represent the letter 'P' in this system. This choice helps to avoid confusion that could arise from similar-sounding letters, particularly in critical operations.

Other options, while they may be recognizable words, do not correspond to the official NATO designations. The purpose of using specific words like "Papa" is to enhance clarity and reduce the risk of misunderstandings, which is vital in military and aviation communication.