Apical and First-rate

Apical adjective - Situated at an apex.

First-rate and apical are semantically related. in best topic. In some cases you can use "First-rate" instead an adjective "Apical", when it comes to topics like top.

First-rate adjective - Of the very best kind.

Apical and first-rate are semantically related. Sometimes you can use "Apical" instead an adjective phrase "First-rate".