瑕 (w)

(xiá) blemish; flaw in jade

瑕不掩瑜 (w)

(xiábùyǎnyú) lit. a blemish does not obscure jade's luster; the pros outweigh the cons (idiom)

瑕玷 (w)

(xiádiàn) blemish; flaw

瑕疵 (w)

(xiácī) blemish; flaw