Aftermost and Uttermost

Aftermost adjective - Located closest to the stern or tail.

Uttermost and aftermost are semantically related in final topic. In some cases you can use "Uttermost" instead an adjective "Aftermost", when it comes to topics like last.

Uttermost adjective - Of the greatest or highest degree or quantity.

Aftermost and uttermost are semantically related in furthest topic. You can use "Aftermost" instead an adjective "Uttermost".