Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| aruhe | (Maori) the edible root of a New Zealand fern. |
| aspidioid | like an aspidium, a shield-fern. |
| aspidium | (Greek) a shield-fern. |
| asplenium | (Greek) a genus of fern, aka spleenwort. |
| azolla | a small water fern. |
| bracken | a large fern. |
| bungwall | (Aborig.) an Australian fern with an edible rhizome. |
| ceterach | a kind of fern. |
| elkhorn | as in elkhorn fern, a fern with a large leaf like an elk's horn. |
| fern | a flowerless vascular plant. |
| fernally | a vascular flowerless plant other than a fern. |
| fernless | without ferns. |
| fernlike | like a fern. |
| fernshaw | a thicket of ferns. |
| ferny | covered with ferns. |
| lunary | the moonwort fern; the plant honesty. |
| maidenhair | a fern of the genus Adiantum, having very slender graceful stalks. |
| mamakau | (Maori) a tall edible New Zealand tree fern. |
| mamako | (Maori) a tall edible New Zealand tree fern. |
| mamaku | (Maori) a tall edible New Zealand tree fern. |
| miha | (Maori) a young fern frond that has not opened. |
| nephrolepis | any fern of the genus Nephrolepis, some being grown as house plants. |
| osmund | any fern of the genus Osmunda, that includes royal fern. |
| osmunda | any fern of the genus Osmunda, that includes royal fern. |
| pillwort | a water-fern found at lake margins. |
| polypody | a fern with creeping rootstocks. |
| ponga | (Maori) a tall tree-fern of New Zealand, with soft thick leaves. |
| pteridine | any member of a genus of ferns that includes bracken. |
| pteridosperm | an extinct group of seed plants which bore fernlike leaves. |
| punga | (Maori) a tall tree-fern of New Zealand, with soft thick leaves. |
| rhizocarp | a water-fern or heterosporous fern. |
| salviniaceous | of or like the Salvinia family, water ferns. |
| schizaeaceous | belonging to the Schizaeaceae, a tropical genus of ferns. |
| scolopendrium | any fern with undivided leaves of the genus Scolopendrium, incl hart's tongue. |
| spleenwort | any fern of the genus Asplenium, some species of which were anciently used as remedies for disorders of the spleen. |
| staghorn | as in staghorn fern, a type of fern with fronds that resemble antlers; (noun) a stag's antler. |
| swordfern | any of several ferns with long narrow fronds. |
| tara | (Maori) a variety of bracken found in New Zealand and Tasmania. |
| woodfern | an evergreen fern. |
| woodsia | a genus of ferns. |