blemish
n.n. a small mark or spot on something that makes it look less perfect. You use this to describe things like a small cut on your skin or a small mistake in a piece of work.
n. a small mark, stain, or imperfection that mars the appearance or quality of something. Often used in the context of physical appearance or professional performance.
A small blemish on the skin is nothing to worry about.
The report was nearly perfect, but a small blemish in the data entry made the final grade slightly lower.
While the diamond was flawless in every other way, a tiny blemish on the surface prevented it from being classified as a 'flawless' stone by the grading committee.
From Middle English blemisshen, blemissen, from Old French blemiss-, stem of Old French blemir, blesmir (“make pale, injure, wound, bruise”) (French blêmir), from Old Frankish blesmijan, blasmijan (“to make pale”), from Old Frankish blasmī (“pale”), from Proto-Germanic blasaz (“white, pale”), from Proto-Indo-European *bʰel- (“to shine”). Cognate with Dutch bles (“white spot”), German blass (“pale”), Old English āblered (“bare, uncovered, bald, shaven”).