18-letter words containing d, e, s, p, i
- upper middle class — wealthy, highly-educated people
- video compact disc — (storage) (VCD) A storage format used for film distribution.
- welland ship canal — a ship canal in S Canada, in Ontario, connecting Lakes Erie and Ontario: 8 locks. 25 miles (40 km) long.
- white-spotted hyla — a type of tree frog (H. leucophyllata) of tropical America
- wild passionflower — the maypop, Passiflora incarnata.