Earnt vs. Earned: What's the Difference?

(chiefly British) earn

Simple past tense and past participle of earn

Gained as a result of effort or action; - used especially of income; as, earned income. Contrasted with unearned.

Not resulting from an error by an opposing team; - used in the phrase earned runs.

Gained or acquired; especially through merit or as a result of effort or action;