How do South Korean and North Korean Korean differ in vocabulary choice?

While the Korean language remains a unified system in its fundamental structure, the division of the peninsula has led to gradual linguistic divergence between South Korea and North Korea.12

The two nations exhibit differences in minor matters, including spelling, alphabetization, and specific vocabulary choices, such as the names assigned to letters of the alphabet. Despite these variations, both states continue to endorse the unified linguistic standards originally proposed by the Korean Language Society in 1933. Over the decades, however, the distinct political, economic, and social paths taken by each nation have caused the spoken language on either side of the border to drift further apart.132