What is another word for "bubble"?

Roget's Thesaurus (1911) lists these synonyms for "bubble": air, airy, astatic, balloon, barm, bay, boil, boiling, bubbly, buoy, buoyancy, buoyant, chloride, cobweb, cohobate, cohobation, convection, cork, cupellation, distill, distillation, down, draft, dust, effervesce, effervescence, effervescent, emit, ether, ethereal, evaporable, evaporate, evaporation, exhalation, exhale, feather, ferment, finestill, float, floating.