Nouns

(n)blemish, defect, mara mark or flaw that spoils the appearance of something (especially on a person's body)“a facial blemish”

Verbs

(v)deface, disfigure, blemishmar or spoil the appearance of“scars defaced her cheeks”, “The vandals disfigured the statue”
(v)blemish, spotmar or impair with a flaw“her face was blemished”
(v)flaw, blemishadd a flaw or blemish to; make imperfect or defective