Is it possible to use all nouns, such as the lives is of mystery to the poor would it be of real benefit to me? Do nouns have to have adjective forms to use this sentence pattern?

Is it possible to use all nouns, such as the lives is of mystery to the poor would it be of real benefit to me? Do nouns have to have adjective forms to use this sentence pattern?

Benifit has an adjective form. Benificial can only be used when there is an adjective form. You are right