mentality vs. mindset

mentality

noun

plural

mentalities 

  1. mental capacity or endowment.

    a person of average mentality.

  2. the set of one's mind; view; outlook.

    a liberal mentality.

mindset

noun

  1. a fixed attitude, disposition, or mood.

    His conservative mindset sometimes causes him to miss out on important opportunities.

    Her judgmental mindset has cost her a number of friendships.

  2. an intention or inclination.

    I'm not sure what her mindset will be when you ask her about her plans.