Quenya 

winga

foam, spray

winga noun "foam, spray" (Markirya). Also wingë.

fallë

foam

fallë noun "foam" (PHAL/PHÁLAS)

wingë

foam, crest of wave, crest

wingë noun "foam, crest of wave, crest" (WIG); "foam, spindrift" (LT1:273). In the pre-classical Tengwar system presupposed in the Etymologies, wingë was also the name of tengwa #24, which letter Tolkien would later call wilya > vilya instead. - Also winga (so in Markirya).

Sindarin 

hross

noun. foam

n. foam. >> ross

Sindarin [(PE17 Sindarin Corpus) PE17:121] -. Group: Parma Eldalamberon 17 Sindarin Corpus. Published by

ross

noun. foam

n. foam. >> hross

Sindarin [(PE17 Sindarin Corpus) PE17:121] -. Group: Parma Eldalamberon 17 Sindarin Corpus. Published by

faltha

foam

(verb) faltha- (i faltha, i falthar)

gwing

foam

1) gwing (i **wing) (spindrift, spume, spray blown off wave-tops), no distinct pl. form except with article (in gwing), 2) ross (construct ros) (rain, dew, spray [of fall or fountain]), pl. ryss (idh ryss) (Letters:282). Note: homophones mean ”reddish, russet, copper-coloured, red-haired” and also ”polished metal, glitter”, 3) falf (breaker), pl. felf, coll. pl. falvath**

Noldorin 

faltha-

verb. to foam

Noldorin [Ety/381] Group: SINDICT. Published by

falf

noun. foam, breaker

Noldorin [Ety/381] Group: SINDICT. Published by