Ace and Five-star

Ace adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.

Five-star and ace are semantically related In some cases you can use "Five-star" instead an adjective "Ace".

Five-star adjective - Of the very best kind.

Ace and five-star are semantically related in first-rate topic. Sometimes you can use "Ace" instead an adjective phrase "Five-star".