---

All answers having "Bungled" as clue:

4 Character Answers:

---

BLEW



5 Character Answers:

---

ERRED



6 Character Answers:

---

MESSED

MISDID

MUFFED



7 Character Answers:

---

BOTCHED

FLUBBED

FLUFFED

FLURBED

MISDONE



8 Character Answers:

---

MESSEDUP



10 Character Answers:

---

BOLLIXEDUP