---

All answers having "Diatribe" as clue:

4 Character Answers:

---

RANT



5 Character Answers:

---

AUGHT

LANCE



6 Character Answers:

---

ADROIT

BROGUE

SCREED

TIRADE



7 Character Answers:

---

POLEMIC



8 Character Answers:

---

HARANGUE



9 Character Answers:

---

PHILIPPIC