---

All answers having "Chestnut" as clue:

3 Character Answers:

---

BAY



4 Character Answers:

---

ROAN



5 Character Answers:

---

HORSE

OLDIE



6 Character Answers:

---

CLICHE

CYJOKE

OLDGAG

OLDSAW

SORREL



7 Character Answers:

---

OLDJOKE



9 Character Answers:

---

CORNYJOKE



11 Character Answers:

---

BODYBUILDER