пеня се означава в английски

effervesce [effervesced, effervescing, effervesces]▼(to emit small bubbles)
verb
[UK: ˌe.fə.ˈves] [US: e.fər.ˈves]

fizz [fizzed, fizzing, fizzes]▼(to emit bubbles)
verb
[UK: fɪz] [US: ˈfɪz]

foam [foamed, foaming, foams]▼(form or emit foam)
verb
[UK: fəʊm] [US: foʊm]

froth [frothed, frothing, froths]▼(To bubble)
verb
[UK: frɒθ] [US: ˈfrɒθ]

spurge▼(of beer during fermentation: to emit foam)
verb
[UK: ˈspɜːdʒ] [US: ˈspɝːdʒ]