How many of these four-letter words do you know?
1. aeon: an immeasurably long period of time
2. apex: the uppermost point, for example, of a mountain, often a narrowed or pointed end
3. bane: a source of harm or ruin; a curse
4. berm: a narrow edge of land along the side of a road, also called the road's shoulder
5. coif: a tight-fitting cap worn under a veil, as by nuns
6. coir: the fibre obtained from the husk of a coconut, used in making rope and matting and as a medium for cultivating plants
7. crud: a substance which is considered unpleasant or disgusting because of its dirtiness
8. dado: the lower part of an interior wall when specially decorated or faced
9. dhow: a lateen-rigged sailing vessels with one or two masts, used especially along the eastern coast of Africa, Arabia and the Indian Ocean
10. dais: a raised platform, as in a lecture hall, for speakers or honoured guests
11. ecru: light grayish-yellowish brown; beige colour
12. eyot: a small island in a river like the word, a synonym for ait
13. élan: a distinctive style or flair characterised by vigour, enthusiasm and liveliness
14. fell: a hill or stretch of high moorland, especially in northern England
15. flue: a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater or boiler to the outside
16. glee: playful exhilaration, joy or delight, merriment, mirth; music, entertainment
17. gyro: a sandwich especially of lamb and beef, tomato, onion, and yogurt sauce on pita bread
18. helm: a ship’s steering wheel
19. icon: a picture, a symbol or graphic representation
20. iota: very small amount; a little bit
21. jinx: something that brings bad luck
22. kiln: an oven for hardening, baking or drying grain, meal, or clay, especially a brick-lined oven used to fire ceramics
23. kine: the plural of cow
24. lynx: a type of wild cat found in North America with thick soft fur, a black-tipped short tail and tufted ears
25. mien: a person's appearance, bearing or manner, especially as an indication of their character, personality or mood
26. nape: the back of the neck
27. okra: a flowering plant with edible green seed pods, used mainly in soups or stews, also called ladies' fingers, gumbo or bhindi
28. onus: the burden of proof; an obligation
29. orzo: pasta shaped like grains of rice, usually used in soups and casseroles
30. pelf: rubbish, trash; something worthless or ill-gotten
31. ping: a protocol that sends a message to another computer and waits for acknowledgment, often used to check if another computer on a network is reachable
32. scat: animal fecal droppings (poop)
33. shiv: a knife, razor, or other sharp or pointed implement, especially one used as a weapon
34. tael: a unit of weight used in eastern Asia, roughly equivalent to 38 grams
35. tutu: a short skirt, often consisting of many layers of gathered sheer fabric, worn by ballerinas
36. udon: Japanese wheat noodles
37. ulna: the bone extending from the elbow to the wrist on the side opposite to the thumb in humans
38. vane: a movable device attached to an elevated object (such as a roof) that shows the direction of the wind
39. welt: a ridge or bump on the skin caused by an allergic reaction or by a lash or blow
40. zarf: the cardboard sleeve that fits around the bottom of take-away cup
