The correct answer is OPTION 2 - Profane : Pure

The relationship between "Suitable : Inept" is one of opposites. "Suitable" means appropriate or well-suited, while "inept" means lacking skill or ability, making them antonyms.

Among the given options, the pair that carries the same relationship of opposites is:

Option 2: Profane : Pure

In this pair, "profane" means showing disrespect or irreverence, often associated with impurity or lack of purity, while "pure" means untainted or free from impurities, making them opposites in meaning, similar to "suitable" and "inept" being opposites.