Gnomish
gwing
noun. wave-crest, crest, foam
gwingalos
proper name. Foamflower
osp(a)
noun. foam
Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!
A noun “foam” in the Gnomish Lexicon of the 1910s with variants osp and ospa (GL/63), probably derived from the root ᴱ√Palas (QL/72).