11-letter words containing k, p, e, l
- wrest plank — the part of a piano in which the wrest pin is embedded
- y2k problem — the predicted malfunction of some computer systems prior to or at the beginning of the year 2000 because of their inability to distinguish between dates in the 1900s and dates in the 2000s: this inability results from the coding of year dates in some software and chips with only the final two, rather than all four, digits
- zooplankter — an individual animal or animallike organism in plankton.