Early Quenya
falmar
noun. wave (as it breaks), foamcrest
falmarin
noun. sea-fay (male), spirit of the sea 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!
The spirits of the sea foam appearing in the earliest Lost Tales (LT1/66). It is an elaboration of falma “foam” as suggested by Christopher Tolkien (LT1A/Falman).