---

All answers having "Equine" as clue:

3 Character Answers:

---

ASS

NAG



4 Character Answers:

---

MARE

PONY

ROAN



5 Character Answers:

---

HORSE

HORSY

STEED



6 Character Answers:

---

HORSEY



7 Character Answers:

---

TROTTER



9 Character Answers:

---

HORSELIKE