Difference between Luster and Lustre

Luster

Part of speech: noun

Definition: Shine, polish or sparkle. By extension, brilliance, attractiveness or splendor. Refinement, polish or quality. A lustrum, quinquennium, a period of five years, originally the interval between Roman censuses

Part of speech: verb

Definition: To gleam, have luster To give luster, distinguish To give a coating or other treatment to impart physical luster

Example sentence: When playing football became a job, it lost its luster for me.

Lustre

Part of speech: noun

Definition: Shine, sheen gleam or polish.By extension, interest, attractiveness, or splendor.Refinement, polish, or quality.