prevision vs mental ability

prevision and mental ability both are nouns.

Word	Noun	Adjective	Verb	Adverb
prevision	Yes	No	No	No
mental ability	Yes	No	No	No

As nouns, mental ability is a hypernym of prevision; that is, mental ability is a word with a broader meaning than prevision:

prevision: the power to foresee the future
mental ability: the power to learn or retain knowledge; in law, the ability to understand the facts and significance of your behavior

Other hypernyms of prevision include capacity.

prevision (noun)	mental ability (noun)
the power to foresee the future	the power to learn or retain knowledge; in law, the ability to understand the facts and significance of your behavior
a prophetic vision (as in a dream)
seeing ahead; knowing in advance; foreseeing
the act of predicting (as by reasoning about the future)