| ISTLE | A valuable fibre obtained from Agave, etc (5) |
| PITA | Fibre of Bromelia, Agave etc (4) |
| SISAL | Fibre obtained from a species of agave used for natural floorings (5) |
| KAPOK | A silky fibre obtained from the hairs covering the seeds of a tropical tree (5) |
| TUCUM | A fine, strong fibre obtained from the young leaves of a Brazilian palm. (5) |
| RAMIE | The fibre obtained from Boehmeria nivea (5) |
| OAKUM | Loose fibre obtained from old rope that is used for caulking seams in wooden ships (5) |
| ABACA | Fiber obtained from a banana plant |
| KANAF | Valuable fiber plant of East Indies now widespread in cultivation. |
| FLAXLILY | New Zealand plant yielding a valuable fibre (4-4) |
| EPISTLE | Record a valuable fibre by letter (7) |
| RAFFIA | A ribbon-like fibre obtained from the leaves of a palm, used in weaving mats and baskets (6) |
| COTTON | Natural fibre obtained from a plant in the mallow family (6) |
| FLAX | Textile fibre obtained from a plant stalk (4) |
| LAMBSWOOL | Soft fibre obtained from the first shearing of a young sheep, used for knitwear, socks, blankets and wraps (9) |
| COIR | Coarse fibre obtained from the outer husk of coconuts, used for ropes, matting etc. (4) |
| SILK | Fine fibre obtained from caterpillar cocoons (4) |
| PULU | Silky fibre obtained from Hawaiian ferns |
| CASHMERE | Fibre obtained from goats, used to make yarn, textiles and dothing (8) |
| BRAN | Source of dietary fibre obtained from grain husks (4) |