---

All answers having "Mar" as clue:

3 Character Answers:

---

DEF



4 Character Answers:

---

BLOT

DENT

FLAW

RUIN

SOIL

TEAR



5 Character Answers:

---

EASEL

GRAIN

SPOIL

TAINT



6 Character Answers:

---

DAMAGE

DEFACE

DEFORM

EFFACE

IMPAIR



7 Character Answers:

---

BLEMISH



8 Character Answers:

---

MISSHAPE



10 Character Answers:

---

SUPERVISES



12 Character Answers:

---

MAKEIMPAIRED



13 Character Answers:

---

SPANISHFORSEA