Two former republics of the USSR are now independent states which border Afghanistan and end with the same letters. What are they?

The two nations in question, Turkmenistan and Uzbekistan, emerged as independent states following the dissolution of the Soviet Union in 1991. Both are situated in Central Asia and share a southern border with Afghanistan, a frontier that is largely defined by the Amu Darya river. Critically, their names both end with the common suffix "-istan," satisfying the final part of the puzzle. A third former Soviet republic, Tajikistan, also borders Afghanistan and ends in "-istan," but the pairing of Turkmenistan and Uzbekistan uniquely fits the clue.

The "-stan" suffix is a common feature for country names in this part of the world. It originates from a Persian word meaning "land of" or "place of." Therefore, Turkmenistan can be translated as the "land of the Turkmen people," and Uzbekistan as the "land of the Uzbeks." This naming convention is shared by their regional neighbors (Review), including Kazakhstan, Kyrgyzstan, and the aforementioned Tajikistan, all of which were also part of the USSR.

This shared geography and history have created a distinct region in Central Asia. Their time as part of the Russian Empire and later the Soviet Union left these nations with a complex cultural and political legacy. While they have developed unique