What's the difference between requite and requiter?

Requite

Definition:

• (v. t.) To repay; in a good sense, to recompense; to return (an equivalent) in good; to reward; in a bad sense, to retaliate; to return (evil) for evil; to punish.

Example Sentences:

• (1) After a requited, mutually beneficial four years, he just wanted to go home.
• (2) He is desperate to be shadow chancellor, the second most important role on the opposition frontbench after your own, and he will be unforgiving if you don't requite his ambition.
• (3) She said that to keep prices within households' reach, price inflation needed to be kept 1.8% a year, which would requite 210,000 new homes.
• (4) However, such an approach would requite costly federal subsidies and measures to force down university tuition fees: intervention that could alienate some voters and leave Democrats vulnerable to charges that they are seeking to make taxpayers subsidise what are often lucrative college degree courses.

Requiter

Definition:

• (n.) One who requites.

Example Sentences:

• (1) After a requited, mutually beneficial four years, he just wanted to go home.
• (2) He is desperate to be shadow chancellor, the second most important role on the opposition frontbench after your own, and he will be unforgiving if you don't requite his ambition.
• (3) She said that to keep prices within households' reach, price inflation needed to be kept 1.8% a year, which would requite 210,000 new homes.
• (4) However, such an approach would requite costly federal subsidies and measures to force down university tuition fees: intervention that could alienate some voters and leave Democrats vulnerable to charges that they are seeking to make taxpayers subsidise what are often lucrative college degree courses.