---

All answers having "Merry-go-round" as clue:

3 Character Answers:

---

ONA



4 Character Answers:

---

IDLE

IMAM

LAMB

OVAL

RIDE



5 Character Answers:

---

YEARN



6 Character Answers:

---

WRITHE



8 Character Answers:

---

CAROUSEL



9 Character Answers:

---

WHIRLIGIG