---

All answers having "Bubble --" as clue:

3 Character Answers:

---

GUM

TEA



4 Character Answers:

---

BATH

BEAD

BLEB

BLOB

BOIL

FIZZ

FOAM

SOAP

WRAP



6 Character Answers:

---

AERATE

SEETHE

SIMMER



7 Character Answers:

---

GLOBULE