Supersede
Part of speech: verb
Definition: Set (something) aside. Take the place of. Displace in favour of another.
Replace
Part of speech: verb
Definition: To restore to a former place, position, condition, or the like.To refund; to repay; to restore; as, to replace a sum of money borrowed.To supply or substitute an equivalent for.To take the place of; to supply the want of; to fulfil the end or office of.To demolish a building and build a updated form of that building in its place.To place again.To put in a new or different place.
Example sentence: I will form good habits and become their slave. And how will I accomplish this difficult feat? Through these scrolls it will be done, for each scroll contains a principle which will drive a bad habit from my life and replace it with one which will bring me closer to success.