Better and Uppermost

Better adjective - (comparative of `good') superior to another (of the same class or set or kind) in excellence or quality or desirability or suitability; more highly skilled than another.

Uppermost and better are semantically related. In some cases you can use "Uppermost" instead an adjective "Better".

Uppermost adjective - Being at a point or level higher than all others.

Better and uppermost are semantically related. Sometimes you can use "Better" instead an adjective "Uppermost".