Crossword solverSynonyms for rockweed7 crossword answers for “rockweed” (8), sorted by letter count.How many letters?All7511011221311611815 letters 1fucus10 letters 1brown algae(5,5)12 letters 2bladderwrackbladder fucus(7,5)13 letters 1black rockweed(5,8)16 letters 1Fucus vesiculosus(5,11)18 letters 1ascophyllum nodosum(11,7)