froth

nouns

a mass of small bubbles formed in or on a liquid

"the beer had a thick head of foam"

foam, froth

is derived from

become bubbly or frothy or foaming

"The boiling soup was frothing"; "The river was foaming"; "Sparkling water"

effervesce, fizz, foam, form bubbles, froth, sparkle

make froth or foam and become bubbly

"The river foamed"

froth, spume, suds

exude or expel foam

"the angry man was frothing at the mouth"

froth

is a type of (narrower)

release (a liquid) in drops or small quantities

"exude sweat through the pores"