Blemish
noun
a mark or flaw that spoils the appearance of something (especially on a person's body)
“a facial blemish”
Similar: defect, mar
verb
mar or spoil the appearance of
“scars defaced her cheeks”
Similar: deface, disfigure
verb
mar or impair with a flaw
“her face was blemished”
Similar: spot
Word family
blemishment · blemished · blemishing