| noun | a mass of small bubbles formed in or on a liquid “the beer had a thick head of foam” |
| verb | become bubbly or frothy or foaming “The boiling soup was frothing” |
| verb | make froth or foam and become bubbly “The river foamed” |
| verb | exude or expel foam “the angry man was frothing at the mouth” |
| foam | verb | become bubbly or frothy or foaming |
| foamy | adjective | emitting or filled with bubbles as from carbonation or fermentation |
| froth | verb | make froth or foam and become bubbly |
| frothy | adjective | emitting or filled with bubbles as from carbonation or fermentation |
| foam | noun | a mass of small bubbles formed in or on a liquid |
| froth | noun | a mass of small bubbles formed in or on a liquid |
| fizz | noun | an effervescent beverage (usually alcoholic) |
| effervescent | adjective | (of a liquid) giving off bubbles |
| effervescence | noun | the process of bubbling as gas escapes |
| spume | noun | foam or froth on the sea |
| suds | noun | the froth produced by soaps or detergents |