Arcane and Few

Arcane adjective - Difficult for one of ordinary knowledge or intelligence to understand.

Few and arcane are semantically related. In some cases you can use "Few" instead an adjective "Arcane".

Few adjective - A quantifier that can be used with count nouns and is often preceded by `a'; a small but indefinite number.

Arcane and few are semantically related. Sometimes you can use "Arcane" instead an adjective "Few".